[clang] [Clang] Fix Itanium mangling crash for local lambda in ctor/dtor (PR #181068)

[via cfe-commits]

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@@ -0,0 +1,33 @@
+// RUN: %clang_cc1 -triple %itanium_abi_triple -std=c++20 -O2 -emit-llvm -o /dev/null %s
+// RUN: %clang_cc1 -triple %itanium_abi_triple -std=c++20 -O2 -disable-llvm-passes -emit-llvm -o - %s | FileCheck %s
+
+struct E {
+  E();
+  template<typename T>
+  E(T t);
+  ~E();
+};
+
+E::E() {
+  struct {
+    // CHECK-DAG: _ZTSN1EC13$_012anotherValueMUlvE_E
+    int anotherValue = [x = 1] { return x; }();
+  } obj;
+}
+
+template<typename T>
+E::E(T t) {
+  struct {
+    // CHECK-DAG: _ZTSN1EC1IiEUt_UlvE_E
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eiytoq wrote:

Filed #190555 to track this.

https://github.com/llvm/llvm-project/pull/181068