From: David Malcolm <dmalcolm@redhat.com>
Date: Fri, 9 Dec 2016 14:34:48 +0000 (+0000)
Subject: Prevent use of MEM_* attr accessor macros as lvalues
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=6bd8a5c78f6c9b480936e88eff6b44e9ea0ed577;p=gcc.git

Prevent use of MEM_* attr accessor macros as lvalues

gcc/ChangeLog:
	* rtl.h (get_mem_attrs): Add "const" qualifier to returned
	pointer.

From-SVN: r243487
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index d2e5f478cc4..91dfc18bf9f 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2016-12-09  David Malcolm  <dmalcolm@redhat.com>
+
+	* rtl.h (get_mem_attrs): Add "const" qualifier to returned
+	pointer.
+
 2016-12-09  Nathan Sidwell  <nathan@acm.org>
 
 	PR C++/78550
diff --git a/gcc/rtl.h b/gcc/rtl.h
index a5efa282a15..4f0efa61aa8 100644
--- a/gcc/rtl.h
+++ b/gcc/rtl.h
@@ -3355,7 +3355,7 @@ extern struct target_rtl *this_target_rtl;
 
 #ifndef GENERATOR_FILE
 /* Return the attributes of a MEM rtx.  */
-static inline struct mem_attrs *
+static inline const struct mem_attrs *
 get_mem_attrs (const_rtx x)
 {
   struct mem_attrs *attrs;