From: Paolo Carlini <paolo.carlini@oracle.com>
Date: Thu, 30 Jan 2014 14:28:55 +0000 (+0000)
Subject: re PR c++/58649 (ICE with use of enum before declaration)
X-Git-Tag: releases/gcc-4.9.0~1220
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=e1b317aecf5cc86d1b61ba07c79fcd93a15a47c5;p=thirdparty%2Fgcc.git

re PR c++/58649 (ICE with use of enum before declaration)

/cp
2014-01-30  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/58649
	* pt.c (lookup_template_class_1): Check start_enum return value
	for error_mark_node.

/testsuite
2014-01-30  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/58649
	* g++.dg/template/crash117.C: New.

From-SVN: r207304
---

diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 7f9112826262..ff696e3e8848 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,9 @@
+2014-01-30  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/58649
+	* pt.c (lookup_template_class_1): Check start_enum return value
+	for error_mark_node.
+
 2014-01-30  Paolo Carlini  <paolo.carlini@oracle.com>
 
 	* decl.c (duplicate_decls, typename_hash, typename_compare):
diff --git a/gcc/cp/pt.c b/gcc/cp/pt.c
index c9c6b379bf6f..4a5b6cc06843 100644
--- a/gcc/cp/pt.c
+++ b/gcc/cp/pt.c
@@ -7521,6 +7521,9 @@ lookup_template_class_1 (tree d1, tree arglist, tree in_decl, tree context,
 			      tsubst (ENUM_UNDERLYING_TYPE (template_type),
 				      arglist, complain, in_decl),
 			      SCOPED_ENUM_P (template_type), NULL);
+
+	      if (t == error_mark_node)
+		return t;
 	    }
 	  else
             {
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 77953e9b395a..ce37ff181399 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2014-01-30  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/58649
+	* g++.dg/template/crash117.C: New.
+
 2014-01-30  Richard Biener  <rguenther@suse.de>
 
 	PR c/59905
diff --git a/gcc/testsuite/g++.dg/template/crash117.C b/gcc/testsuite/g++.dg/template/crash117.C
new file mode 100644
index 000000000000..5aaaf7344f31
--- /dev/null
+++ b/gcc/testsuite/g++.dg/template/crash117.C
@@ -0,0 +1,9 @@
+// PR c++/58649
+
+template<typename> void foo()
+{
+  E();  // { dg-error "declaration|declared" }    
+  enum E {};
+}
+
+template void foo<int>();