vla-2.c revision 71b8fb5d4233420d2ed2f150a54ea61431bd8684
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 6int 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 10void 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 15void PotentiallyEvaluatedArrayBoundWarn(int n) { 16 (void)*(int(*)[(0 << 32,n)])0; // FIXME: We should warn here. 17} 18