[clang] [CodeGen] Support arrays with initializers of 64-bit size (PR #92473)

[Fangrui Song via cfe-commits]

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@@ -949,11 +949,11 @@ tryEmitGlobalCompoundLiteral(ConstantEmitter &emitter,
 
 static llvm::Constant *
 EmitArrayConstant(CodeGenModule &CGM, llvm::ArrayType *DesiredType,
-                  llvm::Type *CommonElementType, unsigned ArrayBound,
+                  llvm::Type *CommonElementType, uint64_t ArrayBound,
                   SmallVectorImpl<llvm::Constant *> &Elements,
                   llvm::Constant *Filler) {
   // Figure out how long the initial prefix of non-zero elements is.
-  unsigned NonzeroLength = ArrayBound;
+  uint64_t NonzeroLength = ArrayBound;
   if (Elements.size() < NonzeroLength && Filler->isNullValue())
     NonzeroLength = Elements.size();
   if (NonzeroLength == Elements.size()) {
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MaskRay wrote:

Thanks for catching this. Fixed and added a test.

https://github.com/llvm/llvm-project/pull/92473