1*f4a2713aSLionel Sambuc // RUN: %clang_cc1 -Weverything -fsyntax-only %s -verify 2*f4a2713aSLionel Sambuc 3*f4a2713aSLionel Sambuc // This previously crashed due to a bug in the CFG. Exercising all 4*f4a2713aSLionel Sambuc // warnings helps check CFG construction. 5*f4a2713aSLionel Sambuc class PR12271 { 6*f4a2713aSLionel Sambuc public: 7*f4a2713aSLionel Sambuc PR12271(); 8*f4a2713aSLionel Sambuc ~PR12271(); 9*f4a2713aSLionel Sambuc }; 10*f4a2713aSLionel Sambuc testPR12271()11*f4a2713aSLionel Sambucvoid testPR12271() { // expected-warning {{no previous prototype for function 'testPR12271'}} 12*f4a2713aSLionel Sambuc PR12271 a[1][1]; // expected-warning {{unused variable 'a'}} 13*f4a2713aSLionel Sambuc } 14