[PATCH] D67714: [OpenCL] Add -Wconversion to fdeclare-opencl-builtins test

[Sven van Haastregt via Phabricator via cfe-commits]

svenvh marked an inline comment as done.
svenvh added inline comments.


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Comment at: clang/test/SemaOpenCL/fdeclare-opencl-builtins.cl:102
 // expected-error at -2{{implicit declaration of function 'get_sub_group_size' is invalid in OpenCL}}
+// expected-error at -3{{implicit conversion changes signedness: 'int' to 'uint' (aka 'unsigned int')}}
 #endif
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Anastasia wrote:
> I am slightly confused about this error, isn't `get_sub_group_size` supposed to return uint?
I think this is a side-effect from the previous error.  It failed to resolve `get_sub_group_size` so it inserted a placeholder declaration with return type `int`.  Does that make sense?


Repository:
  rC Clang

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  https://reviews.llvm.org/D67714/new/

https://reviews.llvm.org/D67714