From: mpolacek <mpolacek@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Fri, 29 Jul 2016 17:36:46 +0000 (+0000)
Subject: 	PR c/71573
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=4c4548bb50d988c63a67c86efaac1d1e3c1461ae;p=thirdparty%2Fgcc.git

	PR c/71573
	* c-decl.c (implicitly_declare): Return decl early not only for
	error_mark_nodes, but for anything that is not a FUNCTION_DECL.

	* gcc.dg/noncompile/pr71573.c: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@238885 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/gcc/c/ChangeLog b/gcc/c/ChangeLog
index ec680d3cce6d..06507581fad7 100644
--- a/gcc/c/ChangeLog
+++ b/gcc/c/ChangeLog
@@ -7,6 +7,10 @@
 	* c-parser.c (c_parser_switch_statement): Initialize ce.original_type
 	to error node for invalid code.
 
+	PR c/71573
+	* c-decl.c (implicitly_declare): Return decl early not only for
+	error_mark_nodes, but for anything that is not a FUNCTION_DECL.
+
 2016-07-29  Jakub Jelinek  <jakub@redhat.com>
 
 	PR c/71969
diff --git a/gcc/c/c-decl.c b/gcc/c/c-decl.c
index 9a922cc6f064..5f38985086cb 100644
--- a/gcc/c/c-decl.c
+++ b/gcc/c/c-decl.c
@@ -3327,7 +3327,7 @@ implicitly_declare (location_t loc, tree functionid)
 
   if (decl)
     {
-      if (decl == error_mark_node)
+      if (TREE_CODE (decl) != FUNCTION_DECL)
 	return decl;
 
       /* FIXME: Objective-C has weird not-really-builtin functions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index dbe2a3ae0886..e29c07cb8b94 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -8,6 +8,9 @@
 	PR c/71853
 	* gcc.dg/noncompile/pr71853.c: New test.
 
+	PR c/71573
+	* gcc.dg/noncompile/pr71573.c: New test.
+
 2016-07-29  Uros Bizjak  <ubizjak@gmail.com>
 
 	* gcc.dg/pr59833.c: Use dg-add-options ieee.
diff --git a/gcc/testsuite/gcc.dg/noncompile/pr71573.c b/gcc/testsuite/gcc.dg/noncompile/pr71573.c
new file mode 100644
index 000000000000..8ace94a77ea7
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/noncompile/pr71573.c
@@ -0,0 +1,14 @@
+/* PR c/71573 */
+/* { dg-do compile } */
+
+void
+f1 (void)
+{
+  extern int t;
+}
+
+void
+f2 (void)
+{
+  t (0); /* { dg-error "called object .t. is not a function or function pointer" } */
+}