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// RUN: %clang_cc1 %s -fsyntax-only -verify -pedantic
typedef const char rchar;
int a(char* a, rchar* b) {
return a-b;
}
// <rdar://problem/6520707>
void f0(void (*fp)(void)) {
int x = fp - fp; // expected-warning{{arithmetic on pointer to function type 'void (*)(void)' is a GNU extension}}
}
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