re PR c++/5713 (Redeclaration causes ice in in make_decl_rtl, at varasm.c:835)

	PR c++/5713
	* c-decl.c (duplicate_decls): Return 0 if issued error about
	redeclaration.

	* decl.c (duplicate_decls): Return 0 if issued error about
	redeclaration.

	* gcc.dg/noncompile/20020220-1.c: New test.

From-SVN: r49915

gcc/ChangeLog

+2002-02-20  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/5713
+	* c-decl.c (duplicate_decls): Return 0 if issued error about
+	redeclaration.
+
 2002-02-20  Roger Sayle  <roger@eyesopen.com>
 	    Jakub Jelinek  <jakub@redhat.com>
 

gcc/c-decl.c

@@ -1690,6 +1690,7 @@ duplicate_decls (newdecl, olddecl, different_binding_level)
 			     && current_binding_level == global_binding_level)
 			    ? "`%s' previously defined here"
 			    : "`%s' previously declared here"));
+	  return 0;
 	}
       else if (TREE_CODE (newdecl) == TYPE_DECL
                && (DECL_IN_SYSTEM_HEADER (olddecl)

gcc/cp/ChangeLog

+2002-02-20  Jakub Jelinek  <jakub@redhat.com>
+
+	* decl.c (duplicate_decls): Return 0 if issued error about
+	redeclaration.
+
 2002-02-19  Jason Merrill  <jason@redhat.com>
 
 	ABI change: Mangle `void (A::*)() const' as 

gcc/cp/decl.c

@@ -3344,6 +3344,7 @@ duplicate_decls (newdecl, olddecl)
 			  && namespace_bindings_p ())
 			 ? "`%#D' previously defined here"
 			 : "`%#D' previously declared here", olddecl);
+	  return 0;
 	}
       else if (TREE_CODE (olddecl) == FUNCTION_DECL
 	       && DECL_INITIAL (olddecl) != NULL_TREE

gcc/testsuite/ChangeLog

@@ -4,6 +4,8 @@
 
 	* gcc.dg/20020219-1.c: New test.
 
+	* gcc.dg/noncompile/20020220-1.c: New test.
+
 2002-02-17  Jakub Jelinek  <jakub@redhat.com>
 
 	* gcc.c-torture/execute/20020216-1.c: New test.

gcc/testsuite/gcc.dg/noncompile/20020220-1.c

+/* PR c++/5713
+   Test that there are no ICEs after redeclaration error.  */
+
+int foo (const char*, const char*);
+
+void bar (void)
+{
+  const char *s = "bar";
+  int i;			/* { dg-error "previously declared here" } */
+  int size = 2;
+  int i = foo (s, s + size);	/* { dg-error "redeclaration of" } */
+}