[clang] [clang][Sema] Fix rejection of non-dependent void{} during template instantiation (PR #228340)

[Ivy Xu via cfe-commits]

================
@@ -1646,8 +1646,8 @@ Sema::BuildCXXTypeConstructExpr(TypeSourceInfo *TInfo,
         cast<InitListExpr>(Exprs[0])->getNumInits() == 0) {
       return CXXFunctionalCastExpr::Create(
           Context, Ty.getUnqualifiedType(), VK_PRValue, TInfo, CK_ToVoid,
-          Exprs[0], /*Path=*/nullptr, CurFPFeatureOverrides(),
-          Exprs[0]->getBeginLoc(), Exprs[0]->getEndLoc());
+          Exprs[0], /*Path=*/nullptr, CurFPFeatureOverrides(), 
SourceLocation(),
+          Exprs[0]->getEndLoc());
     }
----------------
IvyXu420 wrote:

For now, `int{}` is represented by CXXFunctionalCastExpr, while `int()` is 
represented by CXXScalarValueInitExpr.

https://github.com/llvm/llvm-project/pull/228340
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