obtained gcc-4.6.4.tar.bz2 from upstream website;upstream

verified gcc-4.6.4.tar.bz2.sig;
imported gcc-4.6.4 source tree from verified upstream tarball.

downloading a git-generated archive based on the 'upstream' tag
should provide you with a source tree that is binary identical
to the one extracted from the above tarball.

if you have obtained the source via the command 'git clone',
however, do note that line-endings of files in your working
directory might differ from line-endings of the respective
files in the upstream repository.

1 files changed, 19 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/lto/20110201-1_0.c b/gcc/testsuite/gcc.dg/lto/20110201-1_0.c
new file mode 100644
index 000000000..f5d335572
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/lto/20110201-1_0.c
@@ -0,0 +1,19 @@
+/* { dg-lto-do run } */
+/* { dg-lto-options { { -O0 -flto } } } */
+/* { dg-extra-ld-options "-O2 -ffast-math -fuse-linker-plugin" } */
+/* { dg-require-linker-plugin "" } */
+
+/* We require a linker plugin because otherwise we'd need to link
+   against libm which we are not sure here has cabs on all targets.
+   This is because collect2 invokes ld on the -O0 object code
+   which does not have folded cabs.  */
+
+double cabs(_Complex double);
+double __attribute__((used))
+foo (_Complex double x, int b)
+{
+  if (b)
+    x = 0;
+  return cabs(x);
+}
+int main() { return 0; }