[clang] [clang][bytecode] Fix builtin_memcmp buffer sizes for pointers (PR #130570)

[Timm Baeder via cfe-commits]

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@@ -0,0 +1,120 @@
+// RUN: %clang_cc1 -std=c++2c -fexperimental-new-constant-interpreter -verify=expected,both %s
+// RUN: %clang_cc1 -std=c++2c  -verify=ref,both %s
+
+// both-no-diagnostics
+
+namespace std {
+inline namespace {
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tbaederr wrote:

Just a reduced test case. Anything special about this line?

https://github.com/llvm/llvm-project/pull/130570