xref: /minix/external/bsd/llvm/dist/clang/test/Sema/vla-2.c (revision 83133719)
1 // RUN: %clang_cc1 %s -verify -fsyntax-only -pedantic
2 // Check that we don't crash trying to emit warnings in a potentially-evaluated
3 // sizeof or typeof.  (This test needs to be in a separate file because we use
4 // a different codepath when we have already emitted an error.)
5 
6 int PotentiallyEvaluatedSizeofWarn(int n) {
7   return (int)sizeof *(0 << 32,(int(*)[n])0); // expected-warning {{expression result unused}} expected-warning {{shift count >= width of type}}
8 }
9 
10 void PotentiallyEvaluatedTypeofWarn(int n) {
11   __typeof(*(0 << 32,(int(*)[n])0)) x; // expected-warning {{expression result unused}} expected-warning {{shift count >= width of type}}
12   (void)x;
13 }
14 
15 void PotentiallyEvaluatedArrayBoundWarn(int n) {
16   (void)*(int(*)[(0 << 32,n)])0; // FIXME: We should warn here.
17 }
18