[clang] [PAC] Ignore noexcept on function type when computing discriminator of member function pointers (PR #109056)

[John McCall via cfe-commits]

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@@ -3442,6 +3442,35 @@ uint16_t ASTContext::getPointerAuthTypeDiscriminator(QualType T) {
     encodeTypeForFunctionPointerAuth(*this, Out, T);
   } else {
     T = T.getUnqualifiedType();
+    // Drop exception specification from member function pointer type.
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rjmccall wrote:

Please drop this line, it's been incorporated into the comment below.

https://github.com/llvm/llvm-project/pull/109056