diff --git a/clang/docs/ReleaseNotes.rst b/clang/docs/ReleaseNotes.rst
index acc92b28ad991..dd316a7a82e35 100644
--- a/clang/docs/ReleaseNotes.rst
+++ b/clang/docs/ReleaseNotes.rst
@@ -634,6 +634,8 @@ Bug Fixes in This Version
   that construct (`#62133 <https://github.com/llvm/llvm-project/issues/38717>_`).
 - Fix crash caused by PseudoObjectExprBitfields: NumSubExprs overflow.
   (`#63169 <https://github.com/llvm/llvm-project/issues/63169>_`)
+- Fix crash when casting an object to an array type.
+  (`#63758 <https://github.com/llvm/llvm-project/issues/63758>_`)
 
 Bug Fixes to Compiler Builtins
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
diff --git a/clang/lib/Sema/SemaCast.cpp b/clang/lib/Sema/SemaCast.cpp
index fc48f632e457a..d65ecf52c5231 100644
--- a/clang/lib/Sema/SemaCast.cpp
+++ b/clang/lib/Sema/SemaCast.cpp
@@ -454,9 +454,27 @@ static bool tryDiagnoseOverloadedCast(Sema &S, CastType CT,
   switch (sequence.getFailureKind()) {
   default: return false;
 
+  case InitializationSequence::FK_ParenthesizedListInitFailed:
+    // In C++20, if the underlying destination type is a RecordType, Clang
+    // attempts to perform parentesized aggregate initialization if constructor
+    // overload fails:
+    //
+    // C++20 [expr.static.cast]p4:
+    //   An expression E can be explicitly converted to a type T...if overload
+    //   resolution for a direct-initialization...would find at least one viable
+    //   function ([over.match.viable]), or if T is an aggregate type having a
+    //   first element X and there is an implicit conversion sequence from E to
+    //   the type of X.
+    //
+    // If that fails, then we'll generate the diagnostics from the failed
+    // previous constructor overload attempt. Array initialization, however, is
+    // not done after attempting constructor overloading, so we exit as there
+    // won't be a failed overload result.
+    if (destType->isArrayType())
+      return false;
+    break;
   case InitializationSequence::FK_ConstructorOverloadFailed:
   case InitializationSequence::FK_UserConversionOverloadFailed:
-  case InitializationSequence::FK_ParenthesizedListInitFailed:
     break;
   }
 
diff --git a/clang/test/SemaCXX/paren-list-agg-init.cpp b/clang/test/SemaCXX/paren-list-agg-init.cpp
index 88d9b95c0e4be..e2eec1779699a 100644
--- a/clang/test/SemaCXX/paren-list-agg-init.cpp
+++ b/clang/test/SemaCXX/paren-list-agg-init.cpp
@@ -294,3 +294,8 @@ int test() {
 }
 
 }
+
+namespace gh63758 {
+  struct S {} s;
+  auto words = (char[])s; // expected-error {{C-style cast from 'struct S' to 'char[]' is not allowed}}
+};