[clang] [CIR] Upstream emitAndUpdateRetAlloca (PR #129933)

[Erich Keane via cfe-commits]

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@@ -195,7 +195,16 @@ void CIRGenFunction::startFunction(GlobalDecl gd, QualType returnType,
     mlir::Location fnBodyBegin = getLoc(fd->getBody()->getBeginLoc());
     builder.CIRBaseBuilderTy::createStore(fnBodyBegin, paramVal, addrVal);
   }
+
   assert(builder.getInsertionBlock() && "Should be valid");
+
+  auto fnEndLoc = getLoc(fd->getBody()->getEndLoc());
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erichkeane wrote:

not a place we can use auto I think.  Also, could this just inlined in the call rather than doing the work to look it up even if we don't use it?

https://github.com/llvm/llvm-project/pull/129933