diff options
Diffstat (limited to 'gcc-4.8/gcc/testsuite/gcc.c-torture/execute/pr58984.c')
-rw-r--r-- | gcc-4.8/gcc/testsuite/gcc.c-torture/execute/pr58984.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/gcc-4.8/gcc/testsuite/gcc.c-torture/execute/pr58984.c b/gcc-4.8/gcc/testsuite/gcc.c-torture/execute/pr58984.c new file mode 100644 index 000000000..e0f7669c7 --- /dev/null +++ b/gcc-4.8/gcc/testsuite/gcc.c-torture/execute/pr58984.c @@ -0,0 +1,57 @@ +/* PR tree-optimization/58984 */ + +struct S { int f0 : 8; int : 6; int f1 : 5; }; +struct T { char f0; int : 6; int f1 : 5; }; + +int a, *c = &a, e, n, b, m; + +static int +foo (struct S p) +{ + const unsigned short *f[36]; + for (; e < 2; e++) + { + const unsigned short **i = &f[0]; + *c ^= 1; + if (p.f1) + { + *i = 0; + return b; + } + } + return 0; +} + +static int +bar (struct T p) +{ + const unsigned short *f[36]; + for (; e < 2; e++) + { + const unsigned short **i = &f[0]; + *c ^= 1; + if (p.f1) + { + *i = 0; + return b; + } + } + return 0; +} + +int +main () +{ + struct S o = { 1, 1 }; + foo (o); + m = n || o.f0; + if (a != 1) + __builtin_abort (); + e = 0; + struct T p = { 1, 1 }; + bar (p); + m |= n || p.f0; + if (a != 0) + __builtin_abort (); + return 0; +} |