[cfe-commits] [OpenCL patch] Clang fails on nested vector literals

[Anton Lokhmotov]

[http://llvm.org/bugs/show_bug.cgi?id=10974]

Nested vector literals (as allowed by OpenCL 6.1.6) may cause Clang to fail.

typedef int int2 __attribute((ext_vector_type(2)));
typedef int int4 __attribute((ext_vector_type(4)));

__constant int4 i_1_1_1_1 = (int4)(1,2,3,4); // works
__constant int4 i_1_2_1 = (int4)(1,(int2)(2,3),4); // fails

Please review the attached fix and test cases!

Many thanks,
Anton.
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