re PR preprocessor/69543 (_Pragma does not apply within macro)

	PR preprocessor/69543
	PR c/69558
	* c-pragma.c (handle_pragma_diagnostic): Pass input_location
	instead of loc to control_warning_option.

	* gcc.dg/pr69543.c: New test.
	* gcc.dg/pr69558.c: New test.

From-SVN: r233058

gcc/c-family/ChangeLog

+2016-02-01  Jakub Jelinek  <jakub@redhat.com>
+
+	PR preprocessor/69543
+	PR c/69558
+	* c-pragma.c (handle_pragma_diagnostic): Pass input_location
+	instead of loc to control_warning_option.
+
 2016-02-01  Nathan Sidwell  <nathan@codesourcery.com>
 
 	* c.opt (fopenacc-dim=): New option.

gcc/c-family/c-pragma.c

@@ -817,9 +817,12 @@ handle_pragma_diagnostic(cpp_reader *ARG_UNUSED(dummy))
   const char *arg = NULL;
   if (cl_options[option_index].flags & CL_JOINED)
     arg = option_string + 1 + cl_options[option_index].opt_len;
+  /* FIXME: input_location isn't the best location here, but it is
+     what we used to do here before and changing it breaks e.g.
+     PR69543 and PR69558.  */
   control_warning_option (option_index, (int) kind,
 			  arg, kind != DK_IGNORED,
-			  loc, lang_mask, &handlers,
+			  input_location, lang_mask, &handlers,
 			  &global_options, &global_options_set,
 			  global_dc);
 }

gcc/testsuite/ChangeLog

+2016-02-01  Jakub Jelinek  <jakub@redhat.com>
+
+	PR preprocessor/69543
+	PR c/69558
+	* gcc.dg/pr69543.c: New test.
+	* gcc.dg/pr69558.c: New test.
+
 2016-02-01  Uros Bizjak  <ubizjak@gmail.com>
 
 	PR testsuite/65940

gcc/testsuite/gcc.dg/pr69543.c

+/* PR preprocessor/69543 */
+/* { dg-do compile } */
+/* { dg-options "-O2 -Wuninitialized" } */
+
+# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN \
+    _Pragma ("GCC diagnostic push") \
+    _Pragma ("GCC diagnostic ignored \"-Wuninitialized\"")\
+    _Pragma ("GCC diagnostic ignored \"-Wmaybe-uninitialized\"")
+# define YY_IGNORE_MAYBE_UNINITIALIZED_END \
+    _Pragma ("GCC diagnostic pop")
+
+void test (char yylval)
+{
+  char *yyvsp;
+  YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
+  *++yyvsp = yylval;
+  YY_IGNORE_MAYBE_UNINITIALIZED_END
+}

gcc/testsuite/gcc.dg/pr69558.c

+/* PR c/69558 */
+/* { dg-do compile } */
+/* { dg-options "-Wdeprecated-declarations" } */
+
+#define A \
+  _Pragma ("GCC diagnostic push") \
+  _Pragma ("GCC diagnostic ignored \"-Wdeprecated-declarations\"")
+#define B \
+  _Pragma ("GCC diagnostic pop")
+#define C(x) \
+  A \
+  static inline void bar (void) { x (); } \
+  B
+
+__attribute__((deprecated)) void foo (void); /* { dg-bogus "declared here" } */
+
+C (foo) /* { dg-bogus "is deprecated" } */