re PR c/15236 (pedantic switch modifies treatment of non-ISO compliant enumerations)

2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR c/15236
	* diagnostic.c (pedwarn_at): New.
	* toplev.h (pedwarn_at): Declare.
	* c-tree.h (build_enumerator): Update declaration.
	* c-decl.c (finish_enum): Update comment.
	(build_enumerator): Take a location parameter. Give a pedwarn but do
	not perform any conversion.
	* c-parser.c (c_parser_enum_specifier): Set correct location for
	enumerator.
testsuite/
	* gcc.dg/pr15236.c: New.
	* gcc.dg/torture/pr25183.c: Update.

From-SVN: r139050

1 files changed, 19 insertions, 4 deletions

diff --git a/gcc/diagnostic.c b/gcc/diagnostic.c
index cb4c67a..54c2da7 100644
--- a/gcc/diagnostic.c
+++ b/gcc/diagnostic.c
@@ -537,10 +537,10 @@ warning_at (location_t location, int opt, const char *gmsgid, ...)
   return report_diagnostic (&diagnostic);
 }
 
-/* A "pedantic" warning: issues a warning unless -pedantic-errors was
-   given on the command line, in which case it issues an error.  Use
-   this for diagnostics required by the relevant language standard,
-   if you have chosen not to make them errors.
+/* A "pedantic" warning at LOCATION: issues a warning unless
+   -pedantic-errors was given on the command line, in which case it
+   issues an error.  Use this for diagnostics required by the relevant
+   language standard, if you have chosen not to make them errors.
 
    Note that these diagnostics are issued independent of the setting
    of the -pedantic command-line switch.  To get a warning enabled
@@ -551,6 +551,21 @@ warning_at (location_t location, int opt, const char *gmsgid, ...)
    Returns true if the warning was printed, false if it was inhibited.  */
 
 bool
+pedwarn_at (location_t location, int opt, const char *gmsgid, ...)
+{
+  diagnostic_info diagnostic;
+  va_list ap;
+
+  va_start (ap, gmsgid);
+  diagnostic_set_info (&diagnostic, gmsgid, &ap, location,  DK_PEDWARN);
+  diagnostic.option_index = opt;
+  va_end (ap);
+  return report_diagnostic (&diagnostic);
+}
+
+/* Equivalent to pedwarn_at using INPUT_LOCATION.  */
+
+bool
 pedwarn (int opt, const char *gmsgid, ...)
 {
   diagnostic_info diagnostic;