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-rw-r--r--gcc/fortran/expr.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/gcc/fortran/expr.c b/gcc/fortran/expr.c
index 7aaf0e2..2aeb0b5 100644
--- a/gcc/fortran/expr.c
+++ b/gcc/fortran/expr.c
@@ -4860,6 +4860,19 @@ gfc_check_vardef_context (gfc_expr* e, bool pointer, bool alloc_obj,
return false;
}
+ /* TS18508, C702/C203. */
+ if (!alloc_obj
+ && (attr.lock_comp
+ || (e->ts.type == BT_DERIVED
+ && e->ts.u.derived->from_intmod == INTMOD_ISO_FORTRAN_ENV
+ && e->ts.u.derived->intmod_sym_id == ISOFORTRAN_EVENT_TYPE)))
+ {
+ if (context)
+ gfc_error ("LOCK_EVENT in variable definition context (%s) at %L",
+ context, &e->where);
+ return false;
+ }
+
/* INTENT(IN) dummy argument. Check this, unless the object itself is the
component of sub-component of a pointer; we need to distinguish
assignment to a pointer component from pointer-assignment to a pointer