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Diffstat (limited to 'test/Sema/unused-expr.c')
-rw-r--r-- | test/Sema/unused-expr.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/test/Sema/unused-expr.c b/test/Sema/unused-expr.c index 056d09a..aa81febd 100644 --- a/test/Sema/unused-expr.c +++ b/test/Sema/unused-expr.c @@ -122,3 +122,14 @@ void f(int i, ...) { // PR8371 int fn5() __attribute__ ((__const)); + +// OpenSSL has some macros like this; we shouldn't warn on the cast. +#define M1(a, b) (long)foo((a), (b)) +// But, we should still warn on other subexpressions of casts in macros. +#define M2 (long)0; +void t11(int i, int j) { + M1(i, j); // no warning + M2; // expected-warning {{expression result unused}} +} +#undef M1 +#undef M2 |