1*f4a2713aSLionel Sambuc // RUN: %clang_cc1 %s -verify -fsyntax-only -pedantic 2*f4a2713aSLionel Sambuc // Check that we don't crash trying to emit warnings in a potentially-evaluated 3*f4a2713aSLionel Sambuc // sizeof or typeof. (This test needs to be in a separate file because we use 4*f4a2713aSLionel Sambuc // a different codepath when we have already emitted an error.) 5*f4a2713aSLionel Sambuc PotentiallyEvaluatedSizeofWarn(int n)6*f4a2713aSLionel Sambucint PotentiallyEvaluatedSizeofWarn(int n) { 7*f4a2713aSLionel Sambuc return (int)sizeof *(0 << 32,(int(*)[n])0); // expected-warning {{expression result unused}} expected-warning {{shift count >= width of type}} 8*f4a2713aSLionel Sambuc } 9*f4a2713aSLionel Sambuc PotentiallyEvaluatedTypeofWarn(int n)10*f4a2713aSLionel Sambucvoid PotentiallyEvaluatedTypeofWarn(int n) { 11*f4a2713aSLionel Sambuc __typeof(*(0 << 32,(int(*)[n])0)) x; // expected-warning {{expression result unused}} expected-warning {{shift count >= width of type}} 12*f4a2713aSLionel Sambuc (void)x; 13*f4a2713aSLionel Sambuc } 14*f4a2713aSLionel Sambuc PotentiallyEvaluatedArrayBoundWarn(int n)15*f4a2713aSLionel Sambucvoid PotentiallyEvaluatedArrayBoundWarn(int n) { 16*f4a2713aSLionel Sambuc (void)*(int(*)[(0 << 32,n)])0; // FIXME: We should warn here. 17*f4a2713aSLionel Sambuc } 18