attr-used.cpp revision 29535baf2a2bd1d92b8a80992164ea815dda16b3 
1// RUN: %clang_cc1 -fsyntax-only -verify %s
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3extern char test1[] __attribute__((used)); // expected-warning {{used attribute ignored}}
4extern const char test2[] __attribute__((used)); // expected-warning {{used attribute ignored}}
5extern const char test3[] __attribute__((used)) = "";
6