re PR c/54113 (-Wmissing-prototypes produces false alarms for C99 inline functions)

	PR c/54113
c/
	* c-decl.c (start_function): Don't warn for missing prototype for
	inline functions.
testsuite/
	* gcc.dg/pr54113.c: New test.

From-SVN: r205680

gcc/c/ChangeLog

+2013-12-04  Marek Polacek  <polacek@redhat.com>
+
+	PR c/54113
+	* c-decl.c (start_function): Don't warn for missing prototype for
+	inline functions.
+
 2013-12-03  Marek Polacek  <polacek@redhat.com>
 
 	PR c/59351

gcc/c/c-decl.c

@@ -7974,7 +7974,8 @@ start_function (struct c_declspecs *declspecs, struct c_declarator *declarator,
 	   && old_decl != error_mark_node
 	   && TREE_PUBLIC (decl1)
 	   && !MAIN_NAME_P (DECL_NAME (decl1))
-	   && C_DECL_ISNT_PROTOTYPE (old_decl))
+	   && C_DECL_ISNT_PROTOTYPE (old_decl)
+	   && !DECL_DECLARED_INLINE_P (decl1))
     warning_at (loc, OPT_Wmissing_prototypes,
 		"no previous prototype for %qD", decl1);
   /* Optionally warn of any def with no previous prototype

gcc/testsuite/ChangeLog

+2013-12-04  Marek Polacek  <polacek@redhat.com>
+
+	PR c/54113
+	* gcc.dg/pr54113.c: New test.
+
 2013-12-04  Jakub Jelinek  <jakub@redhat.com>
 
 	PR c++/59268

gcc/testsuite/gcc.dg/pr54113.c

+/* { dg-do compile } */
+/* { dg-options "-Wmissing-prototypes" } */
+
+inline int foo (void) { return 42; } /* { dg-bogus "no previous prototype" } */
+extern int foo(void);