re PR fortran/66643 (Missing compilation error for formatted data transfer without format)

2016-09-30  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/66643
	* io.c (match_dt_unit): Peek check for missing format.

	* gfortran.fortran-torture/compile/arrayio.f90: Update test.
	* gfortran.fortran-torture/compile/write.f90: Update test.

From-SVN: r240686

gcc/fortran/ChangeLog

+2016-09-30  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
+
+	PR fortran/66643
+	* io.c (match_dt_unit): Peek check for missing format.
+
 2016-09-30  Fritz Reese  <fritzoreese@gmail.com>
 
 	PR fortran/77764

gcc/fortran/io.c

@@ -2688,6 +2688,7 @@ static match
 match_dt_unit (io_kind k, gfc_dt *dt)
 {
   gfc_expr *e;
+  char c;
 
   if (gfc_match_char ('*') == MATCH_YES)
     {
@@ -2695,6 +2696,11 @@ match_dt_unit (io_kind k, gfc_dt *dt)
 	goto conflict;
 
       dt->io_unit = default_unit (k);
+
+      c = gfc_peek_ascii_char ();
+      if (c == ')')
+	gfc_error_now ("Missing format with default unit at %C");
+
       return MATCH_YES;
     }
 

gcc/testsuite/ChangeLog

+2016-09-30  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
+
+	PR fortran/66643
+	* gfortran.fortran-torture/compile/arrayio.f90: Update test.
+	* gfortran.fortran-torture/compile/write.f90: Update test.
+
 2016-09-30  Matthew Wawhab  <matthew.wahab@arm.com>
 
 	* gcc.target/arm/fp16-aapcs-3.c: Replace arm_fp16_ok with

gcc/testsuite/gfortran.fortran-torture/compile/arrayio.f90

@@ -8,5 +8,5 @@ program arrayio
       a(:, j) = (/ (i + (j - 1) * 5, i=1,5) /)
    end do
 
-   write (*) a
+   write (*,*) a
 end program

gcc/testsuite/gfortran.fortran-torture/compile/write.f90

 ! Program to test simple IO
 program testwrite
-   write (*) 1
-   write (*) "Hello World"
+   write (*,*) 1
+   write (*,*) "Hello World"
 end program