[Bug c++/84676] [6/7/8 Regression] internal compiler error: Segmentation fault (build_new_op_1)

2018-03-13 Thread mpolacek at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84676

Marek Polacek  changed:

   What|Removed |Added

 Status|ASSIGNED|NEW
   Assignee|mpolacek at gcc dot gnu.org|unassigned at gcc dot 
gnu.org

[Bug c++/84676] [6/7/8 Regression] internal compiler error: Segmentation fault (build_new_op_1)

2018-03-12 Thread mpolacek at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84676

Marek Polacek  changed:

   What|Removed |Added

 Status|NEW |ASSIGNED
   Assignee|unassigned at gcc dot gnu.org  |mpolacek at gcc dot 
gnu.org

[Bug c++/84676] [6/7/8 Regression] internal compiler error: Segmentation fault (build_new_op_1)

2018-03-02 Thread mpolacek at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84676

--- Comment #3 from Marek Polacek  ---
Started with r208426.

[Bug c++/84676] [6/7/8 Regression] internal compiler error: Segmentation fault (build_new_op_1)

2018-03-02 Thread mpolacek at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84676

--- Comment #2 from Marek Polacek  ---
Untested fix:

--- a/gcc/cp/call.c
+++ b/gcc/cp/call.c
@@ -5591,6 +5591,10 @@ build_new_op_1 (location_t loc, enum tree_code code, int
flags, tree arg1,
   || error_operand_p (arg3))
 return error_mark_node;

+  if (TREE_TYPE (arg1) == NULL_TREE
+  || TREE_TYPE (arg2) == NULL_TREE)
+return error_mark_node;
+
   bool ismodop = code == MODIFY_EXPR;
   if (ismodop)
 {

[Bug c++/84676] [6/7/8 Regression] internal compiler error: Segmentation fault (build_new_op_1)

2018-03-02 Thread mpolacek at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84676

Marek Polacek  changed:

   What|Removed |Added

   Keywords||error-recovery
   Priority|P3  |P4
   Target Milestone|--- |6.5
Summary|internal compiler error:|[6/7/8 Regression] internal
   |Segmentation fault  |compiler error:
   |(build_new_op_1)|Segmentation fault
   ||(build_new_op_1)