From 554ef0273faab6214b286586ab140afc91c809d0 Mon Sep 17 00:00:00 2001 From: Jerry DeLisle Date: Thu, 17 Apr 2008 04:30:04 +0000 Subject: [PATCH] re PR fortran/35724 (Compile time segmentation fault for CSHIFT with negative third arg) 2008-04-16 Jerry DeLisle PR fortran/35724 * iresolve.c (gfc_resolve_eoshift): Check for NULL symtree in test for optional argument attribute. From-SVN: r134376 --- gcc/fortran/ChangeLog | 6 ++++++ gcc/fortran/iresolve.c | 3 ++- 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog index 3e4dfa2e0d9..c8ec87acdb1 100644 --- a/gcc/fortran/ChangeLog +++ b/gcc/fortran/ChangeLog @@ -1,3 +1,9 @@ +2008-04-16 Jerry DeLisle + + PR fortran/35724 + * iresolve.c (gfc_resolve_eoshift): Check for NULL symtree in test for + optional argument attribute. + 2008-04-16 Paul Thomas PR fortran/35932 diff --git a/gcc/fortran/iresolve.c b/gcc/fortran/iresolve.c index c166d8f2d60..2a3c6bd7283 100644 --- a/gcc/fortran/iresolve.c +++ b/gcc/fortran/iresolve.c @@ -738,7 +738,8 @@ gfc_resolve_eoshift (gfc_expr *f, gfc_expr *array, gfc_expr *shift, if (dim != NULL) { - if (dim->expr_type != EXPR_CONSTANT && dim->symtree->n.sym->attr.optional) + if (dim->expr_type != EXPR_CONSTANT && dim->symtree != NULL + && dim->symtree->n.sym->attr.optional) { /* Mark this for later setting the type in gfc_conv_missing_dummy. */ dim->representation.length = shift->ts.kind; -- 2.30.2