1 files changed, 13 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/lto/pr47259_0.c b/gcc/testsuite/gcc.dg/lto/pr47259_0.c
new file mode 100644
index 000000000..b95947887
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/lto/pr47259_0.c
@@ -0,0 +1,13 @@
+/* { dg-lto-do link } */
+/* { dg-skip-if "" { ! { x86_64-*-* } } { "*" } { "" } } */
+/* { dg-lto-options { { -O2 -flto -w } } } */
+/* { dg-require-effective-target lp64 } */
+
+register int r asm("esi");
+
+void foo(void)
+{
+  if (r)
+    __asm__("sar\t%0" : "+r" (r));
+  __asm__("sar\t%0" : "+r" (r));
+}