[clang] [CIR][NFC] Eliminate ArgInfo structure (PR #140612)

[Bruno Cardoso Lopes via cfe-commits]

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@@ -542,8 +542,15 @@ CIRGenTypes::arrangeCIRFunctionInfo(CanQualType returnType,
 
   void *insertPos = nullptr;
   CIRGenFunctionInfo *fi = functionInfos.FindNodeOrInsertPos(id, insertPos);
-  if (fi)
+  if (fi) {
+    // We found a matching function info based on id. These asserts verify that
+    // it really is a match.
+    assert(
+        fi->getReturnType() == returnType &&
+        std::equal(fi->argTypesBegin(), fi->argTypesEnd(), argTypes.begin()) &&
+        "Bad match based on CIRGenFunctionInfo folding set id");
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bcardosolopes wrote:

thanks Andy!

https://github.com/llvm/llvm-project/pull/140612