diff --git a/clang/docs/ReleaseNotes.rst b/clang/docs/ReleaseNotes.rst
--- a/clang/docs/ReleaseNotes.rst
+++ b/clang/docs/ReleaseNotes.rst
@@ -634,6 +634,8 @@
   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
--- a/clang/lib/Sema/SemaCast.cpp
+++ b/clang/lib/Sema/SemaCast.cpp
@@ -454,9 +454,18 @@
   switch (sequence.getFailureKind()) {
   default: return false;
 
+  case InitializationSequence::FK_ParenthesizedListInitFailed:
+    // In C++20, if the underlying destination type is a RecordType, then we
+    // attempt to perform parentesized aggregate initialization if constructor
+    // overload fails. If that fails, then we'll generate the diagnostics from
+    // the failed overload result from the previous constructor overload. Array
+    // initialization, however, is not done after attempting constructor
+    // overloading, so we bail out 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
--- a/clang/test/SemaCXX/paren-list-agg-init.cpp
+++ b/clang/test/SemaCXX/paren-list-agg-init.cpp
@@ -294,3 +294,8 @@
 }
 
 }
+
+namespace gh63758 {
+  struct S {} s;
+  auto words = (char[])s; // expected-error {{C-style cast from 'struct S' to 'char[]' is not allowed}}
+};