diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.target/i386/attr-returns_twice-1.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.target/i386/attr-returns_twice-1.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/attr-returns_twice-1.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/attr-returns_twice-1.c new file mode 100644 index 000000000..cd820d276 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/attr-returns_twice-1.c @@ -0,0 +1,23 @@ +/* { dg-do compile } */ +/* { dg-options "-Wclobbered" } */ + +int newsetjmp(void) __attribute__((returns_twice)); +void g(int); + +int +main (void) +{ + register int reg asm ("esi") = 1; /* { dg-warning "might be clobbered" "" } */ + + if (!newsetjmp ()) + { + reg = 2; + g (reg); + } + else + { + g (reg); + } + + return 0; +} |