re PR fortran/30452 ([4.2, 4.1 only] Strange syntax error with high-value character)

2007-01-14  Thomas Koenig  <Thomas.Koenig@online.de>

	PR fortran/30452
	* scanner.c(next_char):  Cast next character to unsigned
	to avoid confusion with error return codes.

2007-01-14  Thomas Koenig  <Thomas.Koenig@online.de>

	PR fortran/30452
	* gfortran.dg/string_0xfe_0xff_1.f90:  New test.

From-SVN: r120768

gcc/fortran/scanner.c

@@ -345,7 +345,7 @@ next_char (void)
   if (gfc_current_locus.nextc == NULL)
     return '\n';
 
-  c = *gfc_current_locus.nextc++;
+  c = (unsigned char) *gfc_current_locus.nextc++;
   if (c == '\0')
     {
       gfc_current_locus.nextc--; /* Remain on this line.  */

gcc/testsuite/ChangeLog

+2007-01-14  Thomas Koenig  <Thomas.Koenig@online.de>
+
+	PR fortran/30452
+	* gfortran.dg/string_0xfe_0xff_1.f90:  New test.
+
 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
 
 	* gcc.dg/20070112-1.c: New test.

gcc/testsuite/gfortran.dg/string_0xfe_0xff_1.f90

+! { dg-do compile }
+! PR 30452 - this used to cause syntax errors due to the presence,
+!            as characters, of bytes 0xfe and 0xff.
+program main
+  if (char (254) /= "þ") call abort
+  if (achar (255) /= "ÿ") call abort
+end program main