[clang] [ItaniumMangle] Use mangleType instead of mangleNameOrStandardSubstitution in mangleCXXCtorVTable function (PR #109970)

[via cfe-commits]

================
@@ -1,4 +1,8 @@
 // RUN: %clang_cc1 -emit-llvm %s -o - -triple=x86_64-apple-darwin9 | FileCheck %s
+// RUN: %clang_cc1 -emit-llvm %s -o - -triple=x86_64-apple-darwin9 -fclang-abi-compat=19 | FileCheck %s --check-prefix=CHECK-CLANG-19
+
+//CHECK: @_ZTCN16MangleCtorVTable4InstE0_NS_1A4ImplINS1_4WrapEEE
+//CHECK-CLANG-19: @_ZTCN16MangleCtorVTable4InstE0_NS_1A4ImplINS0_4WrapEEE
----------------
tcwzxx wrote:

The construction vtable name is a global variable, so it cannot be moved above the corresponding code.

https://github.com/llvm/llvm-project/pull/109970