llvm-project/clang/test/Preprocessor/expr_liveness.c

33 lines
428 B
C

/* RUN: clang -E %s -DNO_ERRORS &&
RUN: not clang -E %s
*/
#ifdef NO_ERRORS
/* None of these divisions by zero are in live parts of the expression, do not
emit any diagnostics. */
#define MACRO_0 0
#define MACRO_1 1
#if MACRO_0 && 10 / MACRO_0
foo
#endif
#if MACRO_1 || 10 / MACRO_0
bar
#endif
#if 0 ? 124/0 : 42
#endif
#else
/* The 1/0 is live, it should error out. */
#if 0 && 1 ? 4 : 1 / 0
baz
#endif
#endif