llvm · localspook · Oct 19, 2025 · Oct 19, 2025 · Oct 19, 2025 · Oct 19, 2025
diff --git a/clang-tools-extra/clangd/CodeComplete.cpp b/clang-tools-extra/clangd/CodeComplete.cpp
@@ -1393,10 +1393,6 @@ bool semaCodeComplete(std::unique_ptr<CodeCompleteConsumer> Consumer,
   FrontendOpts.SkipFunctionBodies = true;
   // Disable typo correction in Sema.
   CI->getLangOpts().SpellChecking = false;
-  // Code completion won't trigger in delayed template bodies.
-  // This is on-by-default in windows to allow parsing SDK headers; we're only
-  // disabling it for the main-file (not preamble).
-  CI->getLangOpts().DelayedTemplateParsing = false;
   // Setup code completion.
   FrontendOpts.CodeCompleteOpts = Options;
   FrontendOpts.CodeCompletionAt.FileName = std::string(Input.FileName);

diff --git a/clang-tools-extra/clangd/ParsedAST.cpp b/clang-tools-extra/clangd/ParsedAST.cpp
@@ -431,10 +431,6 @@ ParsedAST::build(llvm::StringRef Filename, const ParseInputs &Inputs,
   const PrecompiledPreamble *PreamblePCH =
       Preamble ? &Preamble->Preamble : nullptr;
 
-  // This is on-by-default in windows to allow parsing SDK headers, but it
-  // breaks many features. Disable it for the main-file (not preamble).
-  CI->getLangOpts().DelayedTemplateParsing = false;
-
   std::vector<std::unique_ptr<FeatureModule::ASTListener>> ASTListeners;
   if (Inputs.FeatureModules) {
     for (auto &M : *Inputs.FeatureModules) {

diff --git a/clang-tools-extra/clangd/unittests/CodeCompleteTests.cpp b/clang-tools-extra/clangd/unittests/CodeCompleteTests.cpp
@@ -3953,8 +3953,8 @@ TEST(CompletionTest, DelayedTemplateParsing) {
     template <typename T> int foo() { return xx^; }
   )cpp");
   auto TU = TestTU::withCode(Test.code());
-  // Even though delayed-template-parsing is on, we will disable it to provide
-  // completion in templates.
+  // We provide completion in templates even when delayed-template-parsing
+  // is on.
   TU.ExtraArgs.push_back("-fdelayed-template-parsing");
 
   EXPECT_THAT(completions(TU, Test.point()).Completions,

diff --git a/clang-tools-extra/clangd/unittests/ParsedASTTests.cpp b/clang-tools-extra/clangd/unittests/ParsedASTTests.cpp
@@ -203,7 +203,7 @@ TEST(ParsedASTTest,
                         AllOf(declNamed("foo"), withTemplateArgs("<bool>"))}));
 }
 
-TEST(ParsedASTTest, IgnoresDelayedTemplateParsing) {
+TEST(ParsedASTTest, WorksEvenWithDelayedTemplateParsing) {
   auto TU = TestTU::withCode(R"cpp(
     template <typename T> void xxx() {
       int yyy = 0;

diff --git a/clang-tools-extra/clangd/unittests/RenameTests.cpp b/clang-tools-extra/clangd/unittests/RenameTests.cpp
@@ -1382,7 +1382,6 @@ TEST(RenameTest, Renameable) {
     SCOPED_TRACE(Case.Code);
     Annotations T(Case.Code);
     TestTU TU = TestTU::withCode(T.code());
-    TU.ExtraArgs.push_back("-fno-delayed-template-parsing");
     if (Case.IsHeaderFile) {
       // We open the .h file as the main file.
       TU.Filename = "test.h";

diff --git a/clang-tools-extra/clangd/unittests/XRefsTests.cpp b/clang-tools-extra/clangd/unittests/XRefsTests.cpp
@@ -1418,9 +1418,6 @@ TEST(LocateSymbol, Ambiguous) {
     }
   )cpp");
   auto TU = TestTU::withCode(T.code());
-  // FIXME: Go-to-definition in a template requires disabling delayed template
-  // parsing.
-  TU.ExtraArgs.push_back("-fno-delayed-template-parsing");
   auto AST = TU.build();
   // Ordered assertions are deliberate: we expect a predictable order.
   EXPECT_THAT(locateSymbolAt(AST, T.point("1")), ElementsAre(sym("str")));

diff --git a/clang-tools-extra/test/clang-tidy/checkers/bugprone/branch-clone.cpp b/clang-tools-extra/test/clang-tidy/checkers/bugprone/branch-clone.cpp
@@ -1,4 +1,4 @@
-// RUN: %check_clang_tidy %s bugprone-branch-clone %t -- -- -fno-delayed-template-parsing
+// RUN: %check_clang_tidy %s bugprone-branch-clone %t
 
 void test_basic1(int in, int &out) {
   if (in > 77)

diff --git a/clang-tools-extra/test/clang-tidy/checkers/bugprone/crtp-constructor-accessibility.cpp b/clang-tools-extra/test/clang-tidy/checkers/bugprone/crtp-constructor-accessibility.cpp
@@ -1,4 +1,4 @@
-// RUN: %check_clang_tidy -std=c++11-or-later %s bugprone-crtp-constructor-accessibility %t -- -- -fno-delayed-template-parsing
+// RUN: %check_clang_tidy -std=c++11-or-later %s bugprone-crtp-constructor-accessibility %t
 
 namespace class_implicit_ctor {
 template <typename T>

diff --git a/clang-tools-extra/test/clang-tidy/checkers/bugprone/infinite-loop.cpp b/clang-tools-extra/test/clang-tidy/checkers/bugprone/infinite-loop.cpp
@@ -1,5 +1,5 @@
 // RUN: %check_clang_tidy %s bugprone-infinite-loop %t \
-// RUN:                   -- -- -fexceptions -fblocks -fno-delayed-template-parsing
+// RUN:                   -- -- -fexceptions -fblocks
 
 void simple_infinite_loop1() {
   int i = 0;

diff --git a/clang-tools-extra/test/clang-tidy/checkers/bugprone/move-forwarding-reference.cpp b/clang-tools-extra/test/clang-tidy/checkers/bugprone/move-forwarding-reference.cpp
@@ -1,4 +1,4 @@
-// RUN: %check_clang_tidy -std=c++14-or-later %s bugprone-move-forwarding-reference %t -- -- -fno-delayed-template-parsing
+// RUN: %check_clang_tidy -std=c++14-or-later %s bugprone-move-forwarding-reference %t
 
 namespace std {
 template <typename> struct remove_reference;

diff --git a/clang-tools-extra/test/clang-tidy/checkers/bugprone/return-const-ref-from-parameter.cpp b/clang-tools-extra/test/clang-tidy/checkers/bugprone/return-const-ref-from-parameter.cpp
@@ -1,4 +1,4 @@
-// RUN: %check_clang_tidy %s bugprone-return-const-ref-from-parameter %t -- -- -fno-delayed-template-parsing
+// RUN: %check_clang_tidy %s bugprone-return-const-ref-from-parameter %t
 
 using T = int;
 using TConst = int const;

diff --git a/clang-tools-extra/test/clang-tidy/checkers/bugprone/sizeof-expression.cpp b/clang-tools-extra/test/clang-tidy/checkers/bugprone/sizeof-expression.cpp
@@ -1,6 +1,5 @@
 // RUN: %check_clang_tidy %s bugprone-sizeof-expression %t \
-// RUN:   -- -config="{CheckOptions: {bugprone-sizeof-expression.WarnOnSizeOfIntegerExpression: true}}" \
-// RUN:   -- -fno-delayed-template-parsing
+// RUN:   -- -config="{CheckOptions: {bugprone-sizeof-expression.WarnOnSizeOfIntegerExpression: true}}"
 
 class C {
   int size() { return sizeof(this); }

diff --git a/clang-tools-extra/test/clang-tidy/checkers/bugprone/string-integer-assignment.cpp b/clang-tools-extra/test/clang-tidy/checkers/bugprone/string-integer-assignment.cpp
@@ -1,4 +1,4 @@
-// RUN: %check_clang_tidy %s bugprone-string-integer-assignment %t -- -- -fno-delayed-template-parsing
+// RUN: %check_clang_tidy %s bugprone-string-integer-assignment %t
 
 namespace std {
 template<typename T>

diff --git a/clang-tools-extra/test/clang-tidy/checkers/bugprone/switch-missing-default-case.cpp b/clang-tools-extra/test/clang-tidy/checkers/bugprone/switch-missing-default-case.cpp
@@ -1,4 +1,4 @@
-// RUN: %check_clang_tidy %s bugprone-switch-missing-default-case %t -- -- -fno-delayed-template-parsing
+// RUN: %check_clang_tidy %s bugprone-switch-missing-default-case %t
 
 typedef int MyInt;
 enum EnumType { eE2 };

diff --git a/clang-tools-extra/test/clang-tidy/checkers/bugprone/unhandled-self-assignment.cpp b/clang-tools-extra/test/clang-tidy/checkers/bugprone/unhandled-self-assignment.cpp
@@ -1,4 +1,4 @@
-// RUN: %check_clang_tidy %s bugprone-unhandled-self-assignment %t -- -- -fno-delayed-template-parsing
+// RUN: %check_clang_tidy %s bugprone-unhandled-self-assignment %t
 
 namespace std {
 

diff --git a/clang-tools-extra/test/clang-tidy/checkers/bugprone/unused-raii.cpp b/clang-tools-extra/test/clang-tidy/checkers/bugprone/unused-raii.cpp
@@ -1,4 +1,4 @@
-// RUN: %check_clang_tidy %s bugprone-unused-raii %t -- -- -fno-delayed-template-parsing
+// RUN: %check_clang_tidy %s bugprone-unused-raii %t
 
 struct Foo {
   Foo();

diff --git a/clang-tools-extra/test/clang-tidy/checkers/bugprone/use-after-move.cpp b/clang-tools-extra/test/clang-tidy/checkers/bugprone/use-after-move.cpp
@@ -1,5 +1,5 @@
-// RUN: %check_clang_tidy -std=c++11 -check-suffixes=,CXX11 %s bugprone-use-after-move %t -- -- -fno-delayed-template-parsing
-// RUN: %check_clang_tidy -std=c++17-or-later %s bugprone-use-after-move %t -- -- -fno-delayed-template-parsing
+// RUN: %check_clang_tidy -std=c++11 -check-suffixes=,CXX11 %s bugprone-use-after-move %t
+// RUN: %check_clang_tidy -std=c++17-or-later %s bugprone-use-after-move %t
 
 typedef decltype(nullptr) nullptr_t;
 

diff --git a/clang-tools-extra/test/clang-tidy/checkers/cppcoreguidelines/init-variables.cpp b/clang-tools-extra/test/clang-tidy/checkers/cppcoreguidelines/init-variables.cpp
@@ -1,4 +1,4 @@
-// RUN: %check_clang_tidy %s cppcoreguidelines-init-variables -fix-errors %t -- -- -fno-delayed-template-parsing -fexceptions
+// RUN: %check_clang_tidy %s cppcoreguidelines-init-variables -fix-errors %t -- -- -fexceptions
 // CHECK-FIXES: #include <math.h>
 
 // Ensure that function declarations are not changed.

diff --git a/...-extra/test/clang-tidy/checkers/cppcoreguidelines/missing-std-forward-custom-function.cpp b/...-extra/test/clang-tidy/checkers/cppcoreguidelines/missing-std-forward-custom-function.cpp
@@ -1,5 +1,5 @@
 // RUN: %check_clang_tidy -std=c++14 %s cppcoreguidelines-missing-std-forward %t -- \
-// RUN: -config="{CheckOptions: {cppcoreguidelines-missing-std-forward.ForwardFunction: custom_forward}}" -- -fno-delayed-template-parsing
+// RUN: -config="{CheckOptions: {cppcoreguidelines-missing-std-forward.ForwardFunction: custom_forward}}"
 
 // NOLINTBEGIN
 namespace std {

diff --git a/clang-tools-extra/test/clang-tidy/checkers/cppcoreguidelines/missing-std-forward.cpp b/clang-tools-extra/test/clang-tidy/checkers/cppcoreguidelines/missing-std-forward.cpp
@@ -1,4 +1,4 @@
-// RUN: %check_clang_tidy %s cppcoreguidelines-missing-std-forward %t -- -- -fno-delayed-template-parsing
+// RUN: %check_clang_tidy %s cppcoreguidelines-missing-std-forward %t
 
 // NOLINTBEGIN
 namespace std {

diff --git a/clang-tools-extra/test/clang-tidy/checkers/cppcoreguidelines/no-suspend-with-lock.cpp b/clang-tools-extra/test/clang-tidy/checkers/cppcoreguidelines/no-suspend-with-lock.cpp
@@ -1,4 +1,4 @@
-// RUN: %check_clang_tidy -std=c++20 %s cppcoreguidelines-no-suspend-with-lock %t -- -- -fno-delayed-template-parsing -fexceptions
+// RUN: %check_clang_tidy -std=c++20 %s cppcoreguidelines-no-suspend-with-lock %t -- -- -fexceptions
 
 // NOLINTBEGIN
 namespace std {

diff --git a/clang-tools-extra/test/clang-tidy/checkers/cppcoreguidelines/pro-type-member-init-cxx20.cpp b/clang-tools-extra/test/clang-tidy/checkers/cppcoreguidelines/pro-type-member-init-cxx20.cpp
@@ -1,4 +1,4 @@
-// RUN: %check_clang_tidy -std=c++20 %s cppcoreguidelines-pro-type-member-init %t -- -- -fno-delayed-template-parsing
+// RUN: %check_clang_tidy -std=c++20 %s cppcoreguidelines-pro-type-member-init %t
 
 struct PositiveBitfieldMember {
   PositiveBitfieldMember() {}

diff --git a/clang-tools-extra/test/clang-tidy/checkers/cppcoreguidelines/pro-type-member-init-cxx98.cpp b/clang-tools-extra/test/clang-tidy/checkers/cppcoreguidelines/pro-type-member-init-cxx98.cpp
@@ -1,4 +1,4 @@
-// RUN: %check_clang_tidy -std=c++98 %s cppcoreguidelines-pro-type-member-init %t -- -- -fno-delayed-template-parsing
+// RUN: %check_clang_tidy -std=c++98 %s cppcoreguidelines-pro-type-member-init %t
 
 struct PositiveFieldBeforeConstructor {
   int F;

diff --git a/...g-tools-extra/test/clang-tidy/checkers/cppcoreguidelines/pro-type-member-init-delayed.cpp b/...g-tools-extra/test/clang-tidy/checkers/cppcoreguidelines/pro-type-member-init-delayed.cpp
@@ -1,4 +1,4 @@
-// RUN: %check_clang_tidy %s cppcoreguidelines-pro-type-member-init %t -- -- -fdelayed-template-parsing
+// RUN: %check_clang_tidy %s cppcoreguidelines-pro-type-member-init %t
 
 template <class T>
 struct PositiveFieldBeforeConstructor {
@@ -21,12 +21,3 @@ struct PositiveFieldAfterConstructor {
 };
 // Explicit instantiation.
 template class PositiveFieldAfterConstructor<int>;
-
-// This declaration isn't used and won't be parsed 'delayed-template-parsing'.
-// The body of the declaration is 'null' and may cause crash if not handled
-// properly by checkers.
-template <class T>
-struct UnusedDelayedConstructor {
-  UnusedDelayedConstructor() {}
-  int F;
-};
diff --git a/clang-tools-extra/test/clang-tidy/checkers/cppcoreguidelines/pro-type-member-init.cpp b/clang-tools-extra/test/clang-tidy/checkers/cppcoreguidelines/pro-type-member-init.cpp
@@ -1,4 +1,4 @@
-// RUN: %check_clang_tidy -std=c++11,c++14,c++17 %s cppcoreguidelines-pro-type-member-init %t -- -- -fno-delayed-template-parsing
+// RUN: %check_clang_tidy -std=c++11,c++14,c++17 %s cppcoreguidelines-pro-type-member-init %t
 // FIXME: Fix the checker to work in C++20 mode.
 
 struct PositiveFieldBeforeConstructor {

diff --git a/...lang-tidy/checkers/cppcoreguidelines/rvalue-reference-param-not-moved-custom-function.cpp b/...lang-tidy/checkers/cppcoreguidelines/rvalue-reference-param-not-moved-custom-function.cpp
@@ -1,5 +1,5 @@
 // RUN: %check_clang_tidy -std=c++11 %s cppcoreguidelines-rvalue-reference-param-not-moved %t -- \
-// RUN: -config="{CheckOptions: {cppcoreguidelines-rvalue-reference-param-not-moved.AllowPartialMove: true, cppcoreguidelines-rvalue-reference-param-not-moved.IgnoreUnnamedParams: true, cppcoreguidelines-rvalue-reference-param-not-moved.IgnoreNonDeducedTemplateTypes: true, cppcoreguidelines-rvalue-reference-param-not-moved.MoveFunction: custom_move}}" -- -fno-delayed-template-parsing
+// RUN: -config="{CheckOptions: {cppcoreguidelines-rvalue-reference-param-not-moved.AllowPartialMove: true, cppcoreguidelines-rvalue-reference-param-not-moved.IgnoreUnnamedParams: true, cppcoreguidelines-rvalue-reference-param-not-moved.IgnoreNonDeducedTemplateTypes: true, cppcoreguidelines-rvalue-reference-param-not-moved.MoveFunction: custom_move}}"
 
 // NOLINTBEGIN
 namespace std {

diff --git a/...ols-extra/test/clang-tidy/checkers/cppcoreguidelines/rvalue-reference-param-not-moved.cpp b/...ols-extra/test/clang-tidy/checkers/cppcoreguidelines/rvalue-reference-param-not-moved.cpp
@@ -1,13 +1,13 @@
 // RUN: %check_clang_tidy -std=c++11 %s cppcoreguidelines-rvalue-reference-param-not-moved %t -- \
-// RUN: -config="{CheckOptions: {cppcoreguidelines-rvalue-reference-param-not-moved.AllowPartialMove: true, cppcoreguidelines-rvalue-reference-param-not-moved.IgnoreUnnamedParams: true, cppcoreguidelines-rvalue-reference-param-not-moved.IgnoreNonDeducedTemplateTypes: true}}" -- -fno-delayed-template-parsing
+// RUN: -config="{CheckOptions: {cppcoreguidelines-rvalue-reference-param-not-moved.AllowPartialMove: true, cppcoreguidelines-rvalue-reference-param-not-moved.IgnoreUnnamedParams: true, cppcoreguidelines-rvalue-reference-param-not-moved.IgnoreNonDeducedTemplateTypes: true}}"
 // RUN: %check_clang_tidy -check-suffix=,CXX14 -std=c++14 %s cppcoreguidelines-rvalue-reference-param-not-moved %t -- \
-// RUN: -config="{CheckOptions: {cppcoreguidelines-rvalue-reference-param-not-moved.AllowPartialMove: true, cppcoreguidelines-rvalue-reference-param-not-moved.IgnoreUnnamedParams: true, cppcoreguidelines-rvalue-reference-param-not-moved.IgnoreNonDeducedTemplateTypes: true}}" -- -fno-delayed-template-parsing
+// RUN: -config="{CheckOptions: {cppcoreguidelines-rvalue-reference-param-not-moved.AllowPartialMove: true, cppcoreguidelines-rvalue-reference-param-not-moved.IgnoreUnnamedParams: true, cppcoreguidelines-rvalue-reference-param-not-moved.IgnoreNonDeducedTemplateTypes: true}}"
 // RUN: %check_clang_tidy -check-suffix=,NOSUBEXPR -std=c++11 %s cppcoreguidelines-rvalue-reference-param-not-moved %t -- \
-// RUN: -config="{CheckOptions: {cppcoreguidelines-rvalue-reference-param-not-moved.AllowPartialMove: false, cppcoreguidelines-rvalue-reference-param-not-moved.IgnoreUnnamedParams: true, cppcoreguidelines-rvalue-reference-param-not-moved.IgnoreNonDeducedTemplateTypes: true}}" -- -fno-delayed-template-parsing
+// RUN: -config="{CheckOptions: {cppcoreguidelines-rvalue-reference-param-not-moved.AllowPartialMove: false, cppcoreguidelines-rvalue-reference-param-not-moved.IgnoreUnnamedParams: true, cppcoreguidelines-rvalue-reference-param-not-moved.IgnoreNonDeducedTemplateTypes: true}}"
 // RUN: %check_clang_tidy -check-suffix=,UNNAMED -std=c++11 %s cppcoreguidelines-rvalue-reference-param-not-moved %t -- \
-// RUN: -config="{CheckOptions: {cppcoreguidelines-rvalue-reference-param-not-moved.AllowPartialMove: true, cppcoreguidelines-rvalue-reference-param-not-moved.IgnoreUnnamedParams: false, cppcoreguidelines-rvalue-reference-param-not-moved.IgnoreNonDeducedTemplateTypes: true}}" -- -fno-delayed-template-parsing
+// RUN: -config="{CheckOptions: {cppcoreguidelines-rvalue-reference-param-not-moved.AllowPartialMove: true, cppcoreguidelines-rvalue-reference-param-not-moved.IgnoreUnnamedParams: false, cppcoreguidelines-rvalue-reference-param-not-moved.IgnoreNonDeducedTemplateTypes: true}}"
 // RUN: %check_clang_tidy -check-suffix=,NONDEDUCED -std=c++11 %s cppcoreguidelines-rvalue-reference-param-not-moved %t -- \
-// RUN: -config="{CheckOptions: {cppcoreguidelines-rvalue-reference-param-not-moved.AllowPartialMove: true, cppcoreguidelines-rvalue-reference-param-not-moved.IgnoreUnnamedParams: true, cppcoreguidelines-rvalue-reference-param-not-moved.IgnoreNonDeducedTemplateTypes: false}}" -- -fno-delayed-template-parsing
+// RUN: -config="{CheckOptions: {cppcoreguidelines-rvalue-reference-param-not-moved.AllowPartialMove: true, cppcoreguidelines-rvalue-reference-param-not-moved.IgnoreUnnamedParams: true, cppcoreguidelines-rvalue-reference-param-not-moved.IgnoreNonDeducedTemplateTypes: false}}"
 
 // NOLINTBEGIN
 namespace std {

diff --git a/clang-tools-extra/test/clang-tidy/checkers/llvm/prefer-static-over-anonymous-namespace.cpp b/clang-tools-extra/test/clang-tidy/checkers/llvm/prefer-static-over-anonymous-namespace.cpp
@@ -1,12 +1,12 @@
-// RUN: %check_clang_tidy %s llvm-prefer-static-over-anonymous-namespace %t -- -- -fno-delayed-template-parsing
+// RUN: %check_clang_tidy %s llvm-prefer-static-over-anonymous-namespace %t
 // RUN: %check_clang_tidy -check-suffixes=,VAR %s llvm-prefer-static-over-anonymous-namespace %t -- \
 // RUN:   -config="{CheckOptions: { \
 // RUN:     llvm-prefer-static-over-anonymous-namespace.AllowVariableDeclarations: false }, \
-// RUN:   }" -- -fno-delayed-template-parsing
+// RUN:   }"
 // RUN: %check_clang_tidy -check-suffixes=,MEM %s llvm-prefer-static-over-anonymous-namespace %t -- \
 // RUN:   -config="{CheckOptions: { \
 // RUN:     llvm-prefer-static-over-anonymous-namespace.AllowMemberFunctionsInClass: false }, \
-// RUN:   }" -- -fno-delayed-template-parsing
+// RUN:   }"
 
 namespace {
 

diff --git a/clang-tools-extra/test/clang-tidy/checkers/misc/const-correctness-allowed-types.cpp b/clang-tools-extra/test/clang-tidy/checkers/misc/const-correctness-allowed-types.cpp
@@ -5,7 +5,7 @@
 // RUN:     misc-const-correctness.TransformReferences: true, \
 // RUN:     misc-const-correctness.WarnPointersAsValues: true, \
 // RUN:     misc-const-correctness.WarnPointersAsPointers: false } \
-// RUN:   }" -- -fno-delayed-template-parsing
+// RUN:   }"
 
 struct SmartPointer {
 };

diff --git a/clang-tools-extra/test/clang-tidy/checkers/misc/const-correctness-cxx17.cpp b/clang-tools-extra/test/clang-tidy/checkers/misc/const-correctness-cxx17.cpp
@@ -1,4 +1,4 @@
-// RUN: %check_clang_tidy %s misc-const-correctness %t -- -- -std=c++17 -fno-delayed-template-parsing
+// RUN: %check_clang_tidy %s misc-const-correctness %t -- -- -std=c++17
 
 template <typename L, typename R>
 struct MyPair {

diff --git a/...ools-extra/test/clang-tidy/checkers/misc/const-correctness-pointer-as-pointers-values.cpp b/...ools-extra/test/clang-tidy/checkers/misc/const-correctness-pointer-as-pointers-values.cpp
@@ -7,8 +7,7 @@
 // RUN:   misc-const-correctness.WarnPointersAsPointers: true,\
 // RUN:   misc-const-correctness.TransformPointersAsValues: true,\
 // RUN:   misc-const-correctness.TransformPointersAsPointers: true\
-// RUN: }}' \
-// RUN: -- -fno-delayed-template-parsing
+// RUN: }}'
 
 void pointee_to_const() {
   int a[] = {1, 2};

diff --git a/clang-tools-extra/test/clang-tidy/checkers/misc/const-correctness-pointer-as-pointers.cpp b/clang-tools-extra/test/clang-tidy/checkers/misc/const-correctness-pointer-as-pointers.cpp
@@ -7,8 +7,7 @@
 // RUN:   misc-const-correctness.WarnPointersAsPointers: true,\
 // RUN:   misc-const-correctness.TransformPointersAsValues: false,\
 // RUN:   misc-const-correctness.TransformPointersAsPointers: true\
-// RUN: }}' \
-// RUN: -- -fno-delayed-template-parsing
+// RUN: }}'
 
 void pointee_to_const() {
   int a[] = {1, 2};

diff --git a/clang-tools-extra/test/clang-tidy/checkers/misc/const-correctness-pointer-as-values.cpp b/clang-tools-extra/test/clang-tidy/checkers/misc/const-correctness-pointer-as-values.cpp
@@ -3,8 +3,7 @@
 // RUN:  {misc-const-correctness.AnalyzeValues: true,\
 // RUN:   misc-const-correctness.WarnPointersAsValues: true,\
 // RUN:   misc-const-correctness.WarnPointersAsPointers: false,\
-// RUN:   misc-const-correctness.TransformPointersAsValues: true}}' \
-// RUN: -- -fno-delayed-template-parsing
+// RUN:   misc-const-correctness.TransformPointersAsValues: true}}'
 
 void potential_const_pointer() {
   double np_local0[10] = {0., 1., 2., 3., 4., 5., 6., 7., 8., 9.};

diff --git a/clang-tools-extra/test/clang-tidy/checkers/misc/const-correctness-templates.cpp b/clang-tools-extra/test/clang-tidy/checkers/misc/const-correctness-templates.cpp
@@ -4,7 +4,7 @@
 // RUN:   misc-const-correctness.TransformReferences: true, \
 // RUN:   misc-const-correctness.WarnPointersAsValues: false, \
 // RUN:   misc-const-correctness.TransformPointersAsValues: false} \
-// RUN:   }" -- -fno-delayed-template-parsing
+// RUN:   }"
 
 template <typename T>
 void type_dependent_variables() {

diff --git a/...ols-extra/test/clang-tidy/checkers/misc/const-correctness-transform-pointer-as-values.cpp b/...ols-extra/test/clang-tidy/checkers/misc/const-correctness-transform-pointer-as-values.cpp
@@ -4,7 +4,7 @@
 // RUN:   misc-const-correctness.WarnPointersAsValues: true, \
 // RUN:   misc-const-correctness.WarnPointersAsPointers: false, \
 // RUN:   misc-const-correctness.TransformPointersAsValues: true}\
-// RUN:  }' -- -fno-delayed-template-parsing
+// RUN:  }'
 
 void potential_const_pointer() {
   double np_local0[10] = {0., 1., 2., 3., 4., 5., 6., 7., 8., 9.};

diff --git a/clang-tools-extra/test/clang-tidy/checkers/misc/const-correctness-transform-values.cpp b/clang-tools-extra/test/clang-tidy/checkers/misc/const-correctness-transform-values.cpp
@@ -4,7 +4,7 @@
 // RUN:   misc-const-correctness.WarnPointersAsValues: false, \
 // RUN:   misc-const-correctness.WarnPointersAsPointers: false, \
 // RUN:   misc-const-correctness.TransformPointersAsValues: false} \
-// RUN:   }" -- -fno-delayed-template-parsing
+// RUN:   }"
 
 bool global;
 char np_global = 0; // globals can't be known to be const

diff --git a/clang-tools-extra/test/clang-tidy/checkers/misc/const-correctness-unaligned.cpp b/clang-tools-extra/test/clang-tidy/checkers/misc/const-correctness-unaligned.cpp
@@ -3,7 +3,7 @@
 // RUN:   misc-const-correctness.TransformValues: true, \
 // RUN:   misc-const-correctness.WarnPointersAsValues: false, \
 // RUN:   misc-const-correctness.TransformPointersAsValues: false} \
-// RUN:   }" -- -fno-delayed-template-parsing -fms-extensions
+// RUN:   }" -- -fms-extensions
 
 struct S {};
 

diff --git a/clang-tools-extra/test/clang-tidy/checkers/misc/const-correctness-values-before-cxx23.cpp b/clang-tools-extra/test/clang-tidy/checkers/misc/const-correctness-values-before-cxx23.cpp
@@ -4,7 +4,7 @@
 // RUN:     misc-const-correctness.WarnPointersAsValues: false, \
 // RUN:     misc-const-correctness.WarnPointersAsPointers: false, \
 // RUN:     misc-const-correctness.TransformPointersAsValues: false \
-// RUN:   }}" -- -fno-delayed-template-parsing
+// RUN:   }}"
 
 
 double &non_const_ref_return() {

diff --git a/clang-tools-extra/test/clang-tidy/checkers/misc/const-correctness-values.cpp b/clang-tools-extra/test/clang-tidy/checkers/misc/const-correctness-values.cpp
@@ -4,7 +4,7 @@
 // RUN:     misc-const-correctness.WarnPointersAsValues: false, \
 // RUN:     misc-const-correctness.WarnPointersAsPointers: false, \
 // RUN:     misc-const-correctness.TransformPointersAsValues: false \
-// RUN:   }}" -- -fno-delayed-template-parsing -fexceptions
+// RUN:   }}" -- -fexceptions
 
 // ------- Provide test samples for primitive builtins ---------
 // - every 'p_*' variable is a 'potential_const_*' variable

diff --git a/clang-tools-extra/test/clang-tidy/checkers/misc/const-correctness-wrong-config.cpp b/clang-tools-extra/test/clang-tidy/checkers/misc/const-correctness-wrong-config.cpp
@@ -3,7 +3,7 @@
 // RUN:  {"misc-const-correctness.AnalyzeValues": false,\
 // RUN:   "misc-const-correctness.AnalyzeReferences": false,\
 // RUN:   "misc-const-correctness.AnalyzePointers": false\
-// RUN:  }}' -- -fno-delayed-template-parsing
+// RUN:  }}'
 
 // CHECK-MESSAGES: warning: The check 'misc-const-correctness' will not perform any analysis because 'AnalyzeValues', 'AnalyzeReferences' and 'AnalyzePointers' are false. [clang-tidy-config]
 

diff --git a/clang-tools-extra/test/clang-tidy/checkers/misc/include-cleaner-wrong-config.cpp b/clang-tools-extra/test/clang-tidy/checkers/misc/include-cleaner-wrong-config.cpp
@@ -2,7 +2,7 @@
 // RUN: -config='{CheckOptions: \
 // RUN:  {"misc-include-cleaner.UnusedIncludes": false,\
 // RUN:   "misc-include-cleaner.MissingIncludes": false,\
-// RUN:  }}' -- -I%S/Inputs -isystem%S/Inputs/system -fno-delayed-template-parsing
+// RUN:  }}' -- -I%S/Inputs -isystem%S/Inputs/system
 
 // CHECK-MESSAGES: warning: The check 'misc-include-cleaner' will not perform any analysis because 'UnusedIncludes' and 'MissingIncludes' are both false. [clang-tidy-config]
 

diff --git a/clang-tools-extra/test/clang-tidy/checkers/misc/unconventional-assign-operator-cxx17.cpp b/clang-tools-extra/test/clang-tidy/checkers/misc/unconventional-assign-operator-cxx17.cpp
@@ -1,4 +1,4 @@
-// RUN: %check_clang_tidy -std=c++14-or-later %s misc-unconventional-assign-operator %t -- -- -fno-delayed-template-parsing
+// RUN: %check_clang_tidy -std=c++14-or-later %s misc-unconventional-assign-operator %t
 
 struct BadModifier {
   BadModifier& operator=(const BadModifier&) const;

diff --git a/clang-tools-extra/test/clang-tidy/checkers/misc/unconventional-assign-operator.cpp b/clang-tools-extra/test/clang-tidy/checkers/misc/unconventional-assign-operator.cpp
@@ -1,4 +1,4 @@
-// RUN: %check_clang_tidy %s misc-unconventional-assign-operator %t -- -- -fno-delayed-template-parsing
+// RUN: %check_clang_tidy %s misc-unconventional-assign-operator %t
 
 namespace std {
 template <typename T>

diff --git a/clang-tools-extra/test/clang-tidy/checkers/misc/unused-parameters.cpp b/clang-tools-extra/test/clang-tidy/checkers/misc/unused-parameters.cpp
@@ -1,7 +1,7 @@
 // RUN: mkdir -p %t.dir
 // RUN: echo "static void staticFunctionHeader(int i) {;}" > %t.dir/header.h
 // RUN: echo "static void staticFunctionHeader(int  /*i*/) {;}" > %t.dir/header-fixed.h
-// RUN: %check_clang_tidy -std=c++11 %s misc-unused-parameters %t.dir/code -- -header-filter='.*' -- -fno-delayed-template-parsing
+// RUN: %check_clang_tidy -std=c++11 %s misc-unused-parameters %t.dir/code -- -header-filter='.*'
 // RUN: diff %t.dir/header.h %t.dir/header-fixed.h
 // FIXME: Make the test work in all language modes.
 

diff --git a/clang-tools-extra/test/clang-tidy/checkers/misc/unused-using-decls-cxx17.cpp b/clang-tools-extra/test/clang-tidy/checkers/misc/unused-using-decls-cxx17.cpp
@@ -1,4 +1,4 @@
-// RUN: %check_clang_tidy -std=c++17-or-later %s misc-unused-using-decls %t -- --fix-notes -- -fno-delayed-template-parsing
+// RUN: %check_clang_tidy -std=c++17-or-later %s misc-unused-using-decls %t -- --fix-notes
 
 namespace ns {
 

diff --git a/clang-tools-extra/test/clang-tidy/checkers/misc/unused-using-decls.cpp b/clang-tools-extra/test/clang-tidy/checkers/misc/unused-using-decls.cpp
@@ -1,4 +1,4 @@
-// RUN: %check_clang_tidy %s misc-unused-using-decls %t -- --fix-notes -- -fno-delayed-template-parsing -isystem %S/Inputs
+// RUN: %check_clang_tidy %s misc-unused-using-decls %t -- --fix-notes -- -isystem %S/Inputs
 
 // ----- Definitions -----
 template <typename T> class vector {};