diff options
Diffstat (limited to 'gcc/testsuite/gcc.c-torture/execute/20190901-1.c')
-rw-r--r-- | gcc/testsuite/gcc.c-torture/execute/20190901-1.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/20190901-1.c b/gcc/testsuite/gcc.c-torture/execute/20190901-1.c new file mode 100644 index 00000000000..c78715ef2c1 --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/execute/20190901-1.c @@ -0,0 +1,36 @@ +/* PR target/91472 */ +/* Reported by John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> */ + +typedef unsigned int gmp_uint_least32_t; + +union ieee_double_extract +{ + struct + { + gmp_uint_least32_t sig:1; + gmp_uint_least32_t exp:11; + gmp_uint_least32_t manh:20; + gmp_uint_least32_t manl:32; + } s; + double d; +}; + +double __attribute__((noipa)) +tests_infinity_d (void) +{ + union ieee_double_extract x; + x.s.exp = 2047; + x.s.manl = 0; + x.s.manh = 0; + x.s.sig = 0; + return x.d; +} + +int +main (void) +{ + double x = tests_infinity_d (); + if (x == 0.0) + __builtin_abort (); + return 0; +} |