From 6ea6782b69a19dfd32bceaa3b83bf81d90763373 Mon Sep 17 00:00:00 2001
From: Stan Shebs <stanshebs@google.com>
Date: Tue, 25 Sep 2018 08:04:10 -0700
Subject: [PATCH] Work around clang crash by skipping apparently-unneeded asm

---
 sysdeps/powerpc/powerpc64/backtrace.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sysdeps/powerpc/powerpc64/backtrace.c b/sysdeps/powerpc/powerpc64/backtrace.c
index c0c4b48262c..b4385607921 100644
--- a/sysdeps/powerpc/powerpc64/backtrace.c
+++ b/sysdeps/powerpc/powerpc64/backtrace.c
@@ -70,8 +70,12 @@ __backtrace (void **array, int size)
   struct layout *current;
   int count;
 
+  /* The following asm causes a clang crash, and does not seem to be
+     needed anyway; clang always saves link register.  */
+#if !defined __clang__
   /* Force gcc to spill LR.  */
   asm volatile ("" : "=l"(current));
+#endif
 
   /* Get the address on top-of-stack.  */
   asm volatile ("ld %0,0(1)" : "=r"(current));
-- 
2.47.2