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authorSteven G. Kargl <kargl@gcc.gnu.org>2015-05-18 22:21:08 +0000
committerSteven G. Kargl <kargl@gcc.gnu.org>2015-05-18 22:21:08 +0000
commitbfeeb14516c9ef05958f47a1bad907c1e6d73f5b (patch)
tree2c3288212c35e9f12c5eef7eb28f5a94f366f9a4 /gcc/fortran/expr.c
parentfce523bf9b3c564d41a46a23014538a6534c0917 (diff)
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re PR fortran/66045 (ICE on incorrect code with null)
2015-05-18 Steven G. Kargl <kargl@gcc.gnu.org> PR fortran/66045 * expr.c (gfc_check_assign): Check for assignment of NULL() instead of the (intended) pointer assignment. 2015-05-18 Steven G. Kargl <kargl@gcc.gnu.org> PR fortran/66045 * gfortran.dg/null1.f90: New test. From-SVN: r223322
Diffstat (limited to 'gcc/fortran/expr.c')
-rw-r--r--gcc/fortran/expr.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/gcc/fortran/expr.c b/gcc/fortran/expr.c
index aa79243..a0c3756 100644
--- a/gcc/fortran/expr.c
+++ b/gcc/fortran/expr.c
@@ -3128,19 +3128,22 @@ gfc_check_assign (gfc_expr *lvalue, gfc_expr *rvalue, int conform)
bad_proc = true;
/* (ii) The assignment is in the main program; or */
- if (gfc_current_ns->proc_name->attr.is_main_program)
+ if (gfc_current_ns->proc_name
+ && gfc_current_ns->proc_name->attr.is_main_program)
bad_proc = true;
/* (iii) A module or internal procedure... */
- if ((gfc_current_ns->proc_name->attr.proc == PROC_INTERNAL
- || gfc_current_ns->proc_name->attr.proc == PROC_MODULE)
+ if (gfc_current_ns->proc_name
+ && (gfc_current_ns->proc_name->attr.proc == PROC_INTERNAL
+ || gfc_current_ns->proc_name->attr.proc == PROC_MODULE)
&& gfc_current_ns->parent
&& (!(gfc_current_ns->parent->proc_name->attr.function
|| gfc_current_ns->parent->proc_name->attr.subroutine)
|| gfc_current_ns->parent->proc_name->attr.is_main_program))
{
/* ... that is not a function... */
- if (!gfc_current_ns->proc_name->attr.function)
+ if (gfc_current_ns->proc_name
+ && !gfc_current_ns->proc_name->attr.function)
bad_proc = true;
/* ... or is not an entry and has a different name. */