minix/external/bsd/llvm/dist/clang/test/Sema/pointer-subtract-compat.c

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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 pointers to the function type 'void (void)' is a GNU extension}}
}