From: Jan Hubicka <hubicka@gcc.gnu.org>
Date: Tue, 1 Dec 2015 04:19:50 +0000 (+0000)
Subject: ipa-inline-transform.c (inline_call): Drop -fstrict-aliasing when inlining -fno-stric... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=45285060c31a9ddc5c95ec09d339ab9308354e6c;p=gcc.git

ipa-inline-transform.c (inline_call): Drop -fstrict-aliasing when inlining -fno-strict-aliasing into...


	* ipa-inline-transform.c (inline_call): Drop -fstrict-aliasing when
	inlining -fno-strict-aliasing into -fstrict-aliasing body.

From-SVN: r231095
---

diff --git a/gcc/ipa-inline-transform.c b/gcc/ipa-inline-transform.c
index 18d11710031..0adaff3bde5 100644
--- a/gcc/ipa-inline-transform.c
+++ b/gcc/ipa-inline-transform.c
@@ -322,6 +322,21 @@ inline_call (struct cgraph_edge *e, bool update_original,
   if (DECL_FUNCTION_PERSONALITY (callee->decl))
     DECL_FUNCTION_PERSONALITY (to->decl)
       = DECL_FUNCTION_PERSONALITY (callee->decl);
+  if (!opt_for_fn (callee->decl, flag_strict_aliasing)
+      && opt_for_fn (to->decl, flag_strict_aliasing))
+    {
+      struct gcc_options opts = global_options;
+
+      cl_optimization_restore (&opts,
+	 TREE_OPTIMIZATION (DECL_FUNCTION_SPECIFIC_OPTIMIZATION (to->decl)));
+      opts.x_flag_strict_aliasing = false;
+      if (dump_file)
+	fprintf (dump_file, "Dropping flag_strict_aliasing on %s:%i\n",
+		 to->name (), to->order);
+      build_optimization_node (&opts);
+      DECL_FUNCTION_SPECIFIC_OPTIMIZATION (to->decl)
+	 = build_optimization_node (&opts);
+    }
 
   /* If aliases are involved, redirect edge to the actual destination and
      possibly remove the aliases.  */