merge from trunkprofile-stdlib

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/profile-stdlib@154052 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 68 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.c-torture/execute/pr41750.c b/gcc/testsuite/gcc.c-torture/execute/pr41750.c
new file mode 100644
index 00000000000..3f5cb635d16
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/pr41750.c
@@ -0,0 +1,68 @@
+/* PR 41750 - IPA-SRA used to pass hash->sgot by value rather than by
+   reference.  */
+
+struct bfd_link_hash_table
+{
+  int hash;
+};
+
+struct foo_link_hash_table
+{
+  struct bfd_link_hash_table root;
+  int *dynobj;
+  int *sgot;
+};
+
+struct foo_link_info
+{
+  struct foo_link_hash_table *hash;
+};
+
+extern void abort (void);
+
+int __attribute__((noinline))
+foo_create_got_section (int *abfd, struct foo_link_info *info)
+{
+  info->hash->sgot = abfd;
+  return 1;
+}
+
+static int *
+get_got (int *abfd, struct foo_link_info *info,
+	 struct foo_link_hash_table *hash)
+{
+  int *got;
+  int *dynobj;
+
+  got = hash->sgot;
+  if (!got)
+    {
+      dynobj = hash->dynobj;
+      if (!dynobj)
+	hash->dynobj = dynobj = abfd;
+      if (!foo_create_got_section (dynobj, info))
+	return 0;
+      got = hash->sgot;
+    }
+  return got;
+}
+
+int * __attribute__((noinline,noclone))
+elf64_ia64_check_relocs (int *abfd, struct foo_link_info *info)
+{
+  return get_got (abfd, info, info->hash);
+}
+
+struct foo_link_info link_info;
+struct foo_link_hash_table hash;
+int abfd;
+
+int
+main ()
+{
+  link_info.hash = &hash;
+  if (elf64_ia64_check_relocs (&abfd, &link_info) != &abfd)
+    abort ();
+  return 0;
+}
+