[clang] [clang] Fixed a crash when explicitly casting to atomic complex (PR #172163)

[Eli Friedman via cfe-commits]

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@@ -181,21 +183,23 @@ class ComplexExprEmitter
     // here.
     if (E->changesVolatileQualification())
       return EmitLoadOfLValue(E);
-    return EmitCast(E->getCastKind(), E->getSubExpr(), E->getType());
+    return EmitCast(E->getCastKind(), E->getSubExpr(),
+                    E->getType().getAtomicUnqualifiedType());
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efriedma-quic wrote:

This seems like it's adding code in too many places; this is modifying both EmitCast and the callers of EmitCast.

https://github.com/llvm/llvm-project/pull/172163