Committed as obvious.
The attached patch set an expression locus to gfc_current_locus
to avoid a NULL pointer reference when emitting an error message.
On beneficial fallout to this patch required a fix up to the
testcase gfortran.dg/pr70870_1.f90.
2018-12-11 Steven G. Kargl <ka...@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 <ka...@gcc.gnu.org>
PR fortran/88155
* gfortran.dg/pr70870_1.f90: Update testcase to use -std=gnu.
* gfortran.dg/pr88155.f90: New test.
--
Steve
Index: gcc/fortran/primary.c
===================================================================
--- gcc/fortran/primary.c (revision 267034)
+++ gcc/fortran/primary.c (working copy)
@@ -3212,6 +3212,7 @@ gfc_match_structure_constructor (gfc_symbol *sym, gfc_
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);
Index: gcc/testsuite/gfortran.dg/pr70870_1.f90
===================================================================
--- gcc/testsuite/gfortran.dg/pr70870_1.f90 (revision 267034)
+++ gcc/testsuite/gfortran.dg/pr70870_1.f90 (working copy)
@@ -1,4 +1,5 @@
! { dg-do compile }
+! { dg-options "-std=gnu" }
! PR fortran/70870
! Contributed by Vittorio Zecca <zeccav at gmail dot com >
type t
Index: gcc/testsuite/gfortran.dg/pr88155.f90
===================================================================
--- gcc/testsuite/gfortran.dg/pr88155.f90 (nonexistent)
+++ gcc/testsuite/gfortran.dg/pr88155.f90 (working copy)
@@ -0,0 +1,9 @@
+! { 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
