From: Volker Reichelt <v.reichelt@netcologne.de>
Date: Tue, 1 Jan 2008 23:08:05 +0000 (+0000)
Subject: re PR libmudflap/26442 (ICE on valid unreachable code (and no name) when compiling... 
X-Git-Tag: releases/gcc-4.3.0~782
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=882e337b65a23a58ce2600f371704c186720b76d;p=thirdparty%2Fgcc.git

re PR libmudflap/26442 (ICE on valid unreachable code (and no name) when compiling with -fmudflap)

	PR libmudflap/26442
	* tree-mudflap.c (mx_register_decls): Guard warning by
	!DECL_ARTIFICIAL check.

	* testsuite/libmudflap.c++/pass60-frag.cxx: New test.

From-SVN: r131249
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 37c9a5282fa8..ce2f258a9b1b 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
+
+	PR libmudflap/26442
+	* tree-mudflap.c (mx_register_decls): Guard warning by
+	!DECL_ARTIFICIAL check.
+
 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
 
 	* config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
diff --git a/gcc/tree-mudflap.c b/gcc/tree-mudflap.c
index 950ad8c2fd59..4b9c11830baa 100644
--- a/gcc/tree-mudflap.c
+++ b/gcc/tree-mudflap.c
@@ -1045,8 +1045,11 @@ mx_register_decls (tree decl, tree *stmt_list)
 
           /* Add the __mf_register call at the current appending point.  */
           if (tsi_end_p (initially_stmts))
-	    warning (0, "mudflap cannot track %qs in stub function",
-		     IDENTIFIER_POINTER (DECL_NAME (decl)));
+	    {
+	      if (!DECL_ARTIFICIAL (decl))
+		warning (0, "mudflap cannot track %qs in stub function",
+			 IDENTIFIER_POINTER (DECL_NAME (decl)));
+	    }
 	  else
 	    {
 	      tsi_link_before (&initially_stmts, register_fncall,
diff --git a/libmudflap/ChangeLog b/libmudflap/ChangeLog
index be52732ee765..081f14c2ed5e 100644
--- a/libmudflap/ChangeLog
+++ b/libmudflap/ChangeLog
@@ -1,3 +1,8 @@
+2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
+
+	PR libmudflap/26442
+	* testsuite/libmudflap.c++/pass60-frag.cxx: New test.
+
 2007-10-15  Maciej W. Rozycki  <macro@linux-mips.org>
 
 	* configure: Regenerate following changes to ../config/tls.m4.
diff --git a/libmudflap/testsuite/libmudflap.c++/pass60-frag.cxx b/libmudflap/testsuite/libmudflap.c++/pass60-frag.cxx
new file mode 100644
index 000000000000..35989d122b13
--- /dev/null
+++ b/libmudflap/testsuite/libmudflap.c++/pass60-frag.cxx
@@ -0,0 +1,13 @@
+// PR 26442
+
+struct A
+{
+  A();
+};
+
+int main()
+{
+  if (0)
+    A();
+  return 0;
+}