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[PATCH] report supported function classes correctly on *-musl


All function classes listed in gcc/coretypes.h are supported by musl.

Most of the optimizations based on these function classes are not
relevant for standard conform c code, but this is required to get
rid of some test system noise.

gcc/
2016-07-20  Szabolcs Nagy  <szabolcs.nagy@arm.com>

	* config/linux.c (linux_libc_has_function): Return true on musl.
From 294b908f9a7577bcfe8036a601262ca0bc7c2ca2 Mon Sep 17 00:00:00 2001
From: Szabolcs Nagy <nsz@port70.net>
Date: Fri, 6 Nov 2015 23:59:20 +0000
Subject: [PATCH 2/7] linux_libc_has_function

---
 gcc/config/linux.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/config/linux.c b/gcc/config/linux.c
index 2081e34..37515bf 100644
--- a/gcc/config/linux.c
+++ b/gcc/config/linux.c
@@ -26,7 +26,7 @@ along with GCC; see the file COPYING3.  If not see
 bool
 linux_libc_has_function (enum function_class fn_class)
 {
-  if (OPTION_GLIBC)
+  if (OPTION_GLIBC || OPTION_MUSL)
     return true;
   if (OPTION_BIONIC)
     if (fn_class == function_c94
-- 
2.4.1


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