re PR fortran/78239 (ICE in char_len_param_value, at fortran/decl.c:926, with -fimplicit-none)

2016-12-17  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/78239
	* decl.c(char_len_param_value): Also check for -fimplicit-none
	when determining if implicit none is in force.

2016-12-17  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/78239
	* gfortran.dg/fimplicit_none_1.f90:  New test.
	* gfortran.dg/fimplicit_none_2.f90:  New test.

From-SVN: r243773

gcc/fortran/ChangeLog

+2016-12-17  Thomas Koenig  <tkoenig@gcc.gnu.org>
+
+	PR fortran/78239
+	* decl.c(char_len_param_value): Also check for -fimplicit-none
+	when determining if implicit none is in force.
+
 2016-12-16  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 
 	PR fortran/78622

gcc/testsuite/ChangeLog

+2016-12-17  Thomas Koenig  <tkoenig@gcc.gnu.org>
+
+	PR fortran/78239
+	* gfortran.dg/fimplicit_none_1.f90:  New test.
+	* gfortran.dg/fimplicit_none_2.f90:  New test.
+
 2016-12-16  Kelvin Nilsen  <kelvin@gcc.gnu.org>
 
 	* gcc.target/powerpc/byte-in-either-range-0.c: New test.

gcc/testsuite/gfortran.dg/fimplicit_none_1.f90

+! { dg-do compile }
+! { dg-options "-fimplicit-none" }
+subroutine s(n) ! { dg-error "has no IMPLICIT type" }
+   character(n) :: c  ! { dg-error "Scalar INTEGER expression expected" }
+   c = 'c' ! { dg-error "has no IMPLICIT type" }
+end

gcc/testsuite/gfortran.dg/fimplicit_none_2.f90

+! { dg-do compile }
+! { dg-options "-fimplicit-none" }
+! PR fortran/78239 - used to ICE
+program p
+   character(*), parameter :: z(2) = [character(n) :: 'x', 'y'] ! { dg-error "Scalar INTEGER expression expected" }
+end