From: Stan Shebs <stanshebs@google.com>
Date: Tue, 25 Sep 2018 15:04:10 +0000 (-0700)
Subject: Work around clang crash by skipping apparently-unneeded asm
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6ea6782b69a19dfd32bceaa3b83bf81d90763373;p=thirdparty%2Fglibc.git

Work around clang crash by skipping apparently-unneeded asm
---

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));