Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

1 files changed, 74 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/weak/weak-3.c b/gcc-4.9/gcc/testsuite/gcc.dg/weak/weak-3.c
new file mode 100644
index 000000000..ca6e0b620
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/weak/weak-3.c
@@ -0,0 +1,74 @@
+/* { dg-do compile } */
+/* { dg-require-alias "" } */
+/* { dg-require-weak "" } */
+/* { dg-options "-fno-common -Waddress" } */
+/* { dg-skip-if "" { x86_64-*-mingw* } { "*" } { "" } } */
+
+/* { dg-final { scan-assembler "weak\[^ \t\]*\[ \t\]_?ffoo1a" } } */
+/* { dg-final { scan-assembler "weak\[^ \t\]*\[ \t\]_?ffoo1b" } } */
+/* { dg-final { scan-assembler "weak\[^ \t\]*\[ \t\]_?ffoo1c" } } */
+/* { dg-final { scan-assembler-not "weak\[^ \t\]*\[ \t\]_?ffoo1d" } } */
+/* { dg-final { scan-assembler "weak\[^ \t\]*\[ \t\]_?ffoo1e" } } */
+/* { dg-final { scan-assembler "weak\[^ \t\]*\[ \t\]_?ffoo1f" } } */
+/* { dg-final { scan-assembler "weak\[^ \t\]*\[ \t\]_?ffoo1g" } } */
+
+/* test function addresses with __attribute__((weak)) */
+
+extern void * ffoo1a (void) __attribute__((weak));
+extern void * ffoo1a (void);
+void * foo1a (void)
+{
+  return (void *)ffoo1a;
+}
+
+
+extern void * ffoo1b (void);
+extern void * ffoo1b (void) __attribute__((weak));
+void * foo1b (void)
+{
+  return (void *)ffoo1b;
+}
+
+
+extern void * ffoo1c (void);  
+void * foo1c (void)
+{
+  return (void *)ffoo1c;
+}
+extern void * ffoo1c (void) __attribute__((weak));
+
+
+int ffoo1d (void);
+int ffoo1d (void) __attribute__((weak));
+
+
+extern void * ffoo1e (void);
+extern void * ffoo1e (void)  __attribute__((weak));
+void * foo1e (void)
+{
+  if (ffoo1e)
+    ffoo1e ();
+  return 0;
+}
+
+
+extern void * ffoo1f (void);    
+void * foo1f (void)
+{
+  if (ffoo1f) /* { dg-warning "" } */
+    ffoo1f ();
+  return 0;
+}
+void * ffoox1f (void) { return (void *)0; }
+extern void * ffoo1f (void)  __attribute__((weak, alias ("ffoox1f")));
+
+
+extern void * ffoo1g (void);
+void * ffoox1g (void) { return (void *)0; }
+extern void * ffoo1g (void)  __attribute__((weak, alias ("ffoox1g")));
+void * foo1g (void)
+{
+  if (ffoo1g)
+    ffoo1g ();
+  return 0;
+}