[clang] [clang] Fix assertion failure when printing atomic apvalues (PR #85259)

[via cfe-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang

Author: Timm Baeder (tbaederr)

<details>
<summary>Changes</summary>

When printing an `_Atomic(some struct type)`, we would later run into an assertion because we do a `Ty->castAs<RecordType>()`, which doesn't work with an `AtomicType`.

Not sure how to best write a test for, this, but OTOH, `printPretty` is currently only  used for debugging as far as I know(?).

---
Full diff: https://github.com/llvm/llvm-project/pull/85259.diff


1 Files Affected:

- (modified) clang/lib/AST/APValue.cpp (+3) 


``````````diff
diff --git a/clang/lib/AST/APValue.cpp b/clang/lib/AST/APValue.cpp
index 4eae308ef5b34c..d8042321319a67 100644
--- a/clang/lib/AST/APValue.cpp
+++ b/clang/lib/AST/APValue.cpp
@@ -704,6 +704,9 @@ void APValue::printPretty(raw_ostream &Out, const PrintingPolicy &Policy,
     return;
   }
 
+  if (const auto *AT = Ty->getAs<AtomicType>())
+    Ty = AT->getValueType();
+
   switch (getKind()) {
   case APValue::None:
     Out << "<out of lifetime>";

``````````

</details>


https://github.com/llvm/llvm-project/pull/85259