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 d2e5f478cc42c76adf2e7436fe36514bc595a7a0..91dfc18bf9f56c012efa45485a5a49321c8ad620 100644 (file)
--- 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 a5efa282a157f40b7666cc36488e475340fb47a2..4f0efa61aa87d9fa186046c4b19146013c2a0d5f 100644 (file)
--- 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;