From: Mark Mitchell <mark@codesourcery.com>
Date: Tue, 11 Oct 2005 06:19:55 +0000 (+0000)
Subject: re PR c++/24302 (anonymous global union segfault with g++ 3.4.x)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=eb2182e29917811d90278a649a100e8bc8c1d13a;p=gcc.git

re PR c++/24302 (anonymous global union segfault with g++ 3.4.x)

	PR c++/24302
	* toplev.c (check_global_declaration_1): Robustify.
	PR c++/24302
	* g++.dg/warn/Wunused-12.C: New test.

From-SVN: r105222
---

diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 390384bc014..9fa7f0db3ca 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,9 @@
+2005-10-10  Mark Mitchell  <mark@codesourcery.com>
+
+	PR c++/24277
+	* pt.c (instantiate_decl): Call finish_static_data_member_decl for
+	static data members.
+
 2005-10-10  Giovanni Bajo  <giovannibajo@gcc.gnu.org>
 	    Mark Mitchell  <mark@codesourcery.com>
 
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 9e9dc6e8224..aa4a66fdfd7 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,5 +1,8 @@
 2005-10-10  Mark Mitchell  <mark@codesourcery.com>
 
+	PR c++/24302
+	* g++.dg/warn/Wunused-12.C: New test.
+
 	PR c++/23437
 	* g++.dg/template/arg4.C: New test.
 
diff --git a/gcc/testsuite/g++.dg/warn/Wunused-12.C b/gcc/testsuite/g++.dg/warn/Wunused-12.C
new file mode 100644
index 00000000000..51d23433153
--- /dev/null
+++ b/gcc/testsuite/g++.dg/warn/Wunused-12.C
@@ -0,0 +1,8 @@
+// PR c++/24302
+// { dg-options "-Wunused" }
+
+static union
+{
+  unsigned char FLT4ARR[4]; 
+  float FLT4;
+}; // { dg-warning "used" }
diff --git a/gcc/toplev.c b/gcc/toplev.c
index 796c7bf87e5..eea9ab20ead 100644
--- a/gcc/toplev.c
+++ b/gcc/toplev.c
@@ -836,7 +836,7 @@ check_global_declaration_1 (tree decl)
       && ! TREE_USED (decl)
       /* The TREE_USED bit for file-scope decls is kept in the identifier,
 	 to handle multiple external decls in different scopes.  */
-      && ! TREE_USED (DECL_NAME (decl))
+      && ! (DECL_NAME (decl) && TREE_USED (DECL_NAME (decl)))
       && ! DECL_EXTERNAL (decl)
       && ! TREE_PUBLIC (decl)
       /* A volatile variable might be used in some non-obvious way.  */