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/testsuite/gcc.c-torture/execute/pr43784.c | 33 ++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 gcc-4.9/gcc/testsuite/gcc.c-torture/execute/pr43784.c (limited to 'gcc-4.9/gcc/testsuite/gcc.c-torture/execute/pr43784.c') diff --git a/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/pr43784.c b/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/pr43784.c new file mode 100644 index 000000000..622232725 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/pr43784.c @@ -0,0 +1,33 @@ +struct s { + unsigned char a[256]; +}; +union u { + struct { struct s b; int c; } d; + struct { int c; struct s b; } e; +}; + +static union u v; +static struct s *p = &v.d.b; +static struct s *q = &v.e.b; + +static struct s __attribute__((noinline)) rp(void) +{ + return *p; +} + +static void qp(void) +{ + *q = rp(); +} + +int main() +{ + int i; + for (i = 0; i < 256; i++) + p->a[i] = i; + qp(); + for (i = 0; i < 256; i++) + if (q->a[i] != i) + __builtin_abort(); + return 0; +} -- cgit v1.2.3