rnk added inline comments. ================ Comment at: test/Sema/implicit-intel-builtin-decl.c:4 @@ +3,3 @@ +void f() { + (void)_mm_getcsr(); // expected-warning{{implicitly declaring library function '_mm_getcsr'}} \ + // expected-note{{include the header <xmmintrin.h> or explicitly provide a declaration for '_mm_getcsr'}} ---------------- Can you add a C++ test? I think you'll get "undeclared identifier '_mm_getcsr'" instead of this helpful diagnostic.
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