[patch, fortran] Bug 35849 - "wrong" line shown in error message for parameter

[patch, fortran] Bug 35849 - "wrong" line shown in error message for parameter

[Jerry DeLisle]

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I will commit attached patch provided by Steve and reviewed and tested 
by myself to trunk.  Test case provided.

Self explanatory.

Regards,

Jerry

2016-07-04  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
	    Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/35849
	* simplify.c (gfc_simplify_ishftc): Check that absolute value of
	SHIFT is less than or equal to SIZE.


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Index: simplify.c
===================================================================
--- simplify.c	(revision 237855)
+++ simplify.c	(working copy)
@@ -3280,7 +3280,6 @@ gfc_simplify_ishftc (gfc_expr *e, gfc_ex
 	return NULL;
 
       gfc_extract_int (sz, &ssize);
-
     }
   else
     ssize = isize;
@@ -3294,7 +3293,10 @@ gfc_simplify_ishftc (gfc_expr *e, gfc_ex
     {
       if (sz == NULL)
 	gfc_error ("Magnitude of second argument of ISHFTC exceeds "
-		   "BIT_SIZE of first argument at %L", &s->where);
+		   "BIT_SIZE of first argument at %C");
+      else
+	gfc_error ("Absolute value of SHIFT shall be less than or equal "
+		   "to SIZE at %C");
       return &gfc_bad_expr;
     }

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! { dg-do compile }
! PR35849
INTEGER, PARAMETER                 :: j = 15
INTEGER, PARAMETER, DIMENSION(10)  :: A = [(i, i = 1,10)]
INTEGER, PARAMETER, DIMENSION(10)  :: B = ISHFTC(j, A, -20) ! { dg-error "must be positive" }
INTEGER, PARAMETER, DIMENSION(10)  :: C = ISHFTC(1_1, A, j) ! { dg-error "less than or equal to BIT_SIZE" }
INTEGER, PARAMETER, DIMENSION(10)  :: D = ISHFTC(3, A, 5) ! { dg-error "Absolute value of SHIFT shall be less than or equal" }
INTEGER, PARAMETER, DIMENSION(10)  :: E = ISHFTC(3_1, A) ! { dg-error "second argument of ISHFTC exceeds BIT_SIZE of first argument" }
end