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