re PR fortran/21260 (Conflict between comment and H edit descriptor)

fortran/
	PR fortran/21260
	* io.c (check_format): Look for literal characters inside
	hollerith constant.
testsuite/
	PR fortran/21260
	* gfortran.dg/hollerith_1.f90: New test.

From-SVN: r99597

gcc/fortran/ChangeLog

 2005-05-11  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
 
+	PR fortran/21260
+	* io.c (check_format): Look for literal characters inside
+	hollerith constant.
+
+2005-05-11  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
+
 	* resolve.c (resolve_symbol): Copy 'pointer' and 'dimension'
 	attribute from result symbol to function symbol.
 	* trans-expr.c (gfc_conv_function_call): Look at sym->attr.dimension

gcc/fortran/io.c

@@ -642,7 +642,7 @@ data_desc:
       {
         while(repeat >0)
          {
-          next_char(0);
+          next_char(1);
           repeat -- ;
          }
       }

gcc/testsuite/ChangeLog

 2005-05-11  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
 
+	PR fortran/21260
+	* gfortran.dg/hollerith_1.f90: New test.
+
+2005-05-11  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
+
 	* gfortran.dg/func_result_2.f90: New test.
 
 2005-05-11  Bud Davis  <bdavis@gfortran.org>

gcc/testsuite/gfortran.dg/hollerith_1.f90

+! { dg-do run }
+! PR 21260
+! We wrongly interpreted the '!' as the beginning of a comment.
+! Also verifies the functioning of hollerith formatting.
+      character*72 c
+      write(c,8000)
+8000  format(36(2H!)))
+      do i = 1,72,2
+         if (c(i:i+1) /= '!)') call abort
+      end do
+      end