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authorBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
committerBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
commit1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch)
treec607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gcc.c-torture/execute/pr43784.c
parent283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff)
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Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.c-torture/execute/pr43784.c')
-rw-r--r--gcc-4.9/gcc/testsuite/gcc.c-torture/execute/pr43784.c33
1 files changed, 33 insertions, 0 deletions
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;
+}