resolve_ref() calls resolve_substring() but failed to check
its return value. This patch does the check.
2011-10-15 Steven G. Kargl <ka...@gcc.gcu.org>
* resolve.c (resolve_ref): Check return value of resolve_substring().
2011-10-15 Steven G. Kargl <ka...@gcc.gcu.org>
* gfortran.dg/substring_integer_index.f90: New test.
Index: fortran/resolve.c
===================================================================
--- fortran/resolve.c (revision 179940)
+++ fortran/resolve.c (working copy)
@@ -4858,7 +4859,8 @@ resolve_ref (gfc_expr *expr)
break;
case REF_SUBSTRING:
- resolve_substring (ref);
+ if (resolve_substring (ref) == FAILURE)
+ return FAILURE;
break;
}
Index: testsuite/gfortran.dg/substring_integer_index.f90
===================================================================
--- testsuite/gfortran.dg/substring_integer_index.f90 (revision 0)
+++ testsuite/gfortran.dg/substring_integer_index.f90 (revision 0)
@@ -0,0 +1,8 @@
+! { dg-do compile }
+! PR fortran/50524
+!
+program foo
+ print *, 'abc'(2.e0:3) ! { dg-error "must be of type INTEGER"}
+ print *,'qwe'(1:1e0)
+end program foo
+
