diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/pr48335-6.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/pr48335-6.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr48335-6.c b/gcc/testsuite/gcc.dg/pr48335-6.c new file mode 100644 index 000000000..769130cc4 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr48335-6.c @@ -0,0 +1,46 @@ +/* PR middle-end/48335 */ +/* { dg-do compile } */ +/* { dg-options "-O2 -fno-tree-sra" } */ + +typedef long long T __attribute__((may_alias, aligned (1))); +typedef short U __attribute__((may_alias, aligned (1))); + +struct S +{ + _Complex float d __attribute__((aligned (8))); +}; + +T +f1 (struct S x) +{ + struct S s = x; + return *(T *) ((char *) &s.d + 1); +} + +int +f2 (struct S x) +{ + struct S s = x; + return ((U *)((char *) &s.d + 1))[0]; +} + +int +f3 (struct S x) +{ + struct S s = x; + return ((U *)((char *) &s.d + 1))[1]; +} + +int +f4 (struct S x) +{ + struct S s = x; + return ((U *)((char *) &s.d + 1))[2]; +} + +int +f5 (struct S x) +{ + struct S s = x; + return ((U *)((char *) &s.d + 1))[3]; +} |