wuzish added inline comments.
================
Comment at: clang/lib/Sema/SemaOverload.cpp:3913
+ for (auto Type : Types) {
+ if (S.Context.getCanonicalType(Type)->getTypeClass() != Type::Vector)
+ return false;
----------------
hubert.reinterpretcast wrote:
> Considering that this is a local lambda called in one place, are we expecting
> cases where the canonical type is not something on which we can call
> getVectorKind()? If not, then we do not need this `if`.
Well, that's for ExtVectorType. I encounter some testcase failure because of
that. So I just narrow the condition to only handle Type::Vector.
As the following comment said, so I treat it separately.
/// ExtVectorType - Extended vector type. This type is created using
/// __attribute__((ext_vector_type(n)), where "n" is the number of elements.
/// Unlike vector_size, ext_vector_type is only allowed on typedef's. This
/// class enables syntactic extensions, like Vector Components for accessing
/// points (as .xyzw), colors (as .rgba), and textures (modeled after OpenGL
/// Shading Language).
https://reviews.llvm.org/D53417
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