diff --git a/clang/docs/ReleaseNotes.rst b/clang/docs/ReleaseNotes.rst
index a1bb925e8ae24..55ec1cdef52fa 100644
--- a/clang/docs/ReleaseNotes.rst
+++ b/clang/docs/ReleaseNotes.rst
@@ -321,6 +321,8 @@ Bug Fixes in This Version
   (`#61885 <https://github.com/llvm/llvm-project/issues/61885>`_)
 - Clang constexpr evaluator now treats comparison of [[gnu::weak]]-attributed
   member pointer as an invalid expression.
+- Fix crash when member function contains invalid default argument.
+  (`#62122 <https://github.com/llvm/llvm-project/issues/62122>`_)
 
 Bug Fixes to Compiler Builtins
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
diff --git a/clang/lib/Parse/ParseDecl.cpp b/clang/lib/Parse/ParseDecl.cpp
index 18897188828f1..728879e20de78 100644
--- a/clang/lib/Parse/ParseDecl.cpp
+++ b/clang/lib/Parse/ParseDecl.cpp
@@ -7381,13 +7381,9 @@ void Parser::ParseParameterDeclarationClause(
           DefArgToks.reset(new CachedTokens);
 
           SourceLocation ArgStartLoc = NextToken().getLocation();
-          if (!ConsumeAndStoreInitializer(*DefArgToks, CIK_DefaultArgument)) {
-            DefArgToks.reset();
-            Actions.ActOnParamDefaultArgumentError(Param, EqualLoc);
-          } else {
-            Actions.ActOnParamUnparsedDefaultArgument(Param, EqualLoc,
-                                                      ArgStartLoc);
-          }
+          ConsumeAndStoreInitializer(*DefArgToks, CIK_DefaultArgument);
+          Actions.ActOnParamUnparsedDefaultArgument(Param, EqualLoc,
+                                                    ArgStartLoc);
         } else {
           // Consume the '='.
           ConsumeToken();
diff --git a/clang/test/Parser/cxx-member-initializers.cpp b/clang/test/Parser/cxx-member-initializers.cpp
index c29260b731223..57f707cee52be 100644
--- a/clang/test/Parser/cxx-member-initializers.cpp
+++ b/clang/test/Parser/cxx-member-initializers.cpp
@@ -108,4 +108,9 @@ class G {
   // expected-error@-2 {{type name requires a specifier or qualifier}}
   // expected-error@-3 {{expected '>'}}
   // expected-note@-4 {{to match this '<'}}
+
+  void n(int x = 1 ? 2) {}
+  // expected-error@-1 {{expected ':'}}
+  // expected-note@-2 {{to match this '?'}}
+  // expected-error@-3 {{expected expression}}
 };