From: Nick Clifton <nickc@redhat.com>
Date: Tue, 26 Jan 2016 14:02:11 +0000 (+0000)
Subject: re PR target/66655 (miscompilation due to ipa-ra on MinGW)
X-Git-Tag: basepoints/gcc-7~1327
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b8b025dc0b76361d1276288aeeda6b4ebc5e2061;p=thirdparty%2Fgcc.git

re PR target/66655 (miscompilation due to ipa-ra on MinGW)

	PR target/66655
	* config/i386/winnt.c (i386_pe_binds_local_p): If a function has
	been marked as DECL_ONE_ONLY but we do not the means to make it
	so, then do not allow it to bind locally.

From-SVN: r232828
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e84acc123aca..4dba48fa477f 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2016-01-26  Nick Clifton  <nickc@redhat.com>
+
+	PR target/66655
+	* config/i386/winnt.c (i386_pe_binds_local_p): If a function has
+	been marked as DECL_ONE_ONLY but we do not the means to make it
+	so, then do not allow it to bind locally.
+
 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
 
 	PR lto/69254
diff --git a/gcc/config/i386/winnt.c b/gcc/config/i386/winnt.c
index 53abf475bce9..e2b2f4b516c0 100644
--- a/gcc/config/i386/winnt.c
+++ b/gcc/config/i386/winnt.c
@@ -341,6 +341,20 @@ i386_pe_binds_local_p (const_tree exp)
       && TREE_PUBLIC (exp)
       && DECL_EXTERNAL (exp))
     return true;
+
+#ifndef MAKE_DECL_ONE_ONLY
+  /* PR target/66655: If a function has been marked as DECL_ONE_ONLY
+     but we do not the means to make it so, then do not allow it to
+     bind locally.  */
+  if (DECL_P (exp)
+      && TREE_CODE (exp) == FUNCTION_DECL
+      && TREE_PUBLIC (exp)
+      && DECL_ONE_ONLY (exp)
+      && ! DECL_EXTERNAL (exp)
+      && DECL_DECLARED_INLINE_P (exp))
+    return false;
+#endif
+  
   return default_binds_local_p_1 (exp, 0);
 }