[clang] [Clang] Fix atomic boolean compound assignment (#33210) (PR #178220)

[Yanzuo Liu via cfe-commits]

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@@ -1591,6 +1591,13 @@ Value *ScalarExprEmitter::EmitScalarConversion(Value *Src, QualType SrcType,
   if (DstType->isBooleanType())
     return EmitConversionToBool(Src, SrcType);
 
+  // Also handle conversions to atomic bools
+  if (const AtomicType *atomicType = DstType->getAs<AtomicType>()) {
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zwuis wrote:

Use `const auto *`.

https://llvm.org/docs/CodingStandards.html#use-auto-type-deduction-to-make-code-more-readable

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`atomicType` should start with an upper-case letter.

https://llvm.org/docs/CodingStandards.html#name-types-functions-variables-and-enumerators-properly

https://github.com/llvm/llvm-project/pull/178220