re PR fortran/88155 (ICE in gfc_format_decoder, at fortran/error.c:947)

2018-12-11  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/88155
	* primary.c (gfc_match_structure_constructor):  Set the locus of
	an expression to avoid a NULL pointer dereference.

2018-12-11  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/88155
	* gfortran.dg/pr70870_1.f90: Update testcase to use -std=gnu.
	* gfortran.dg/pr88155.f90: New test.

From-SVN: r267041

gcc/fortran/ChangeLog

 2018-12-11  Steven G. Kargl  <kargl@gcc.gnu.org>
 
+	PR fortran/88155
+	* primary.c (gfc_match_structure_constructor):  Set the locus of
+	an expression to avoid a NULL pointer dereference.
+
+2018-12-11  Steven G. Kargl  <kargl@gcc.gnu.org>
+
 	PR fortran/88249
 	* gfortran.h: Update prototype for gfc_resolve_filepos().
 	* io.c (gfc_resolve_filepos): Check for UNIT number if ERR= is present.

gcc/fortran/primary.c

@@ -3212,6 +3212,7 @@ gfc_match_structure_constructor (gfc_symbol *sym, gfc_expr **result)
   e = gfc_get_expr ();
   e->symtree = symtree;
   e->expr_type = EXPR_FUNCTION;
+  e->where = gfc_current_locus;
 
   gcc_assert (gfc_fl_struct (sym->attr.flavor)
 	      && symtree->n.sym->attr.flavor == FL_PROCEDURE);

gcc/testsuite/ChangeLog

 2018-12-11  Steven G. Kargl  <kargl@gcc.gnu.org>
 
+	PR fortran/88155
+	* gfortran.dg/pr70870_1.f90: Update testcase to use -std=gnu.
+	* gfortran.dg/pr88155.f90: New test.
+
+2018-12-11  Steven G. Kargl  <kargl@gcc.gnu.org>
+
 	PR fortran/88249
 	* gfortran.dg/pr88249.f90: New test.
 

gcc/testsuite/gfortran.dg/pr70870_1.f90

 ! { dg-do compile }
+! { dg-options "-std=gnu" }
 ! PR fortran/70870
 ! Contributed by Vittorio Zecca <zeccav at gmail dot com >
       type t

gcc/testsuite/gfortran.dg/pr88155.f90

+! { dg-do compile }
+program p
+   type t
+      integer :: a
+   end type
+   type(t) :: x
+   data x /t()1/     ! { dg-error "No initializer for component" }
+   print *, x
+end