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Diffstat (limited to 'test/Sema/warn-unreachable.c')
| -rw-r--r-- | test/Sema/warn-unreachable.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/test/Sema/warn-unreachable.c b/test/Sema/warn-unreachable.c index 20e0c3172401..8db36b710012 100644 --- a/test/Sema/warn-unreachable.c +++ b/test/Sema/warn-unreachable.c @@ -80,8 +80,8 @@ void test2() { - // expected-warning {{will never be executed}} halt(); case 8: - i - += // expected-warning {{will never be executed}} + i // expected-warning {{will never be executed}} + += halt(); case 9: halt() @@ -93,8 +93,8 @@ void test2() { case 11: { int a[5]; live(), - a[halt() - ]; // expected-warning {{will never be executed}} + a[halt() // expected-warning {{will never be executed}} + ]; } } } @@ -114,3 +114,15 @@ int test_enum_cases(enum Cases C) { } } +// Handle unreachable code triggered by macro expansions. +void __myassert_rtn(const char *, const char *, int, const char *) __attribute__((__noreturn__)); + +#define myassert(e) \ + (__builtin_expect(!(e), 0) ? __myassert_rtn(__func__, __FILE__, __LINE__, #e) : (void)0) + +void test_assert() { + myassert(0 && "unreachable"); + return; // no-warning +} + + |