From 1bc5aee63eb72b341f506ad058502cd0361f0d10 Mon Sep 17 00:00:00 2001 From: Ben Cheng Date: Tue, 25 Mar 2014 22:37:19 -0700 Subject: Initial checkin of GCC 4.9.0 from trunk (r208799). Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba --- gcc-4.9/gcc/testsuite/gcc.dg/pr48335-8.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 gcc-4.9/gcc/testsuite/gcc.dg/pr48335-8.c (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/pr48335-8.c') diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/pr48335-8.c b/gcc-4.9/gcc/testsuite/gcc.dg/pr48335-8.c new file mode 100644 index 000000000..bb06c157f --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/pr48335-8.c @@ -0,0 +1,31 @@ +/* PR middle-end/48335 */ +/* { dg-do compile } */ +/* { dg-options "-O2 -fno-tree-sra" } */ + +typedef short U __attribute__((may_alias, aligned (1))); + +struct S +{ + double d; +}; + +int +f1 (struct S x) +{ + struct S s = x; + return ((U *)((char *) &s.d + 1))[-1]; +} + +int +f2 (struct S x) +{ + struct S s = x; + return ((U *)((char *) &s.d + 1))[-2]; +} + +int +f3 (struct S x) +{ + struct S s = x; + return ((U *)((char *) &s.d + 1))[5]; +} -- cgit v1.2.3