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/pr56341-1.c | 40 ++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 gcc-4.9/gcc/testsuite/gcc.dg/pr56341-1.c (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/pr56341-1.c') diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/pr56341-1.c b/gcc-4.9/gcc/testsuite/gcc.dg/pr56341-1.c new file mode 100644 index 000000000..91cf80ba2 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/pr56341-1.c @@ -0,0 +1,40 @@ +/* { dg-do run } */ +/* { dg-options "-fstrict-volatile-bitfields" } */ + +extern void abort (void); + +struct test0 +{ + unsigned char b1[2]; +} __attribute__((packed, aligned(2))); + +struct test1 +{ + volatile unsigned long a1; + unsigned char b1[4]; +} __attribute__((packed, aligned(2))); + +struct test2 +{ + struct test0 t0; + struct test1 t1; + struct test0 t2; +} __attribute__((packed, aligned(2))); + +struct test2 xx; +struct test2 *x1 = &xx; + +#define MAGIC 0x12345678 + +void test0 (struct test2* x1) +{ + x1->t1.a1 = MAGIC; +} + +int main() +{ + test0 (x1); + if (xx.t1.a1 != MAGIC) + abort (); + return 0; +} -- cgit v1.2.3