[cfe-dev] OpenCL patch: vector literals (alternative patch)

[Anton Lokhmotov]

Hi Tanya,

We have merged your patch and ours.  It seems to work fine for both valid
and invalid test cases.

John McCall wrote:
> So this should be legal if C99 is an acceptable base language for
> OpenCL and the following is valid:
>   uchar4 vec = { x.lo };
OpenCL is a superset of a subset of C99, so the fist condition is met.
However, section 6.1.6 of the OpenCL specification says that only
(typen)(...) is valid syntax for initializing vector literals, not {...}.
So ideally Clang would reject it (but I appreciate this is undesirable for
legacy reasons).

Thanks,
Anton.
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