llvm-project/clang/test/Sema/pointer-subtract-compat.c

12 lines
296 B
C

// RUN: clang %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}}
}