Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

1 files changed, 41 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/20020224-1.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/20020224-1.c
new file mode 100644
index 000000000..2905719fa
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/20020224-1.c
@@ -0,0 +1,41 @@
+/* PR target/5755
+   This testcase failed because the caller of a function returning struct
+   expected the callee to pop up the hidden return structure pointer,
+   while callee was actually not poping it up (as the hidden argument
+   was passed in register).  */
+/* { dg-do run } */
+/* { dg-options "-O2 -fomit-frame-pointer" } */
+
+extern void abort (void);
+extern void exit (int);
+
+typedef struct {
+   int a1, a2;
+} A;
+
+A a;
+
+A __attribute__ ((regparm (2)))
+foo (int x)
+{
+  return a;
+}
+
+int __attribute__ ((regparm (2)))
+bar (int x)
+{
+  int r = foo(0).a2;
+  return r;
+}
+
+int
+main ()
+{
+  int f;
+  a.a1 = 530;
+  a.a2 = 980;
+  f = bar (0);
+  if (f != 980)
+    abort ();
+  exit (0);
+}