diff options
Diffstat (limited to 'gcc/testsuite/gcc.c-torture/execute/20181120-1.c')
-rw-r--r-- | gcc/testsuite/gcc.c-torture/execute/20181120-1.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/20181120-1.c b/gcc/testsuite/gcc.c-torture/execute/20181120-1.c new file mode 100644 index 00000000000..da3d4552a2f --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/execute/20181120-1.c @@ -0,0 +1,28 @@ +/* PR rtl-optimization/85925 */ +/* { dg-require-effective-target int32plus } */ +/* Testcase by <sudi@gcc.gnu.org> */ + +int a, c, d; +volatile int b; +int *e = &d; + +union U1 { + unsigned f0; + unsigned f1 : 15; +}; +volatile union U1 u = { 0x4030201 }; + +int main (void) +{ + for (c = 0; c <= 1; c++) { + union U1 f = {0x4030201}; + if (c == 1) + b; + *e = f.f1; + } + + if (d != u.f1) + __builtin_abort (); + + return 0; +} |