[Bf-blender-cvs] [beaa66bb13a] master: Fix T59640: Transform w/ auto-merge & hidden verts crashes

[Campbell Barton]

Commit: beaa66bb13a5d801ec10957922b2d90e04ca5d7c
Author: Campbell Barton
Date:   Wed Jan 16 14:54:52 2019 +1100
Branches: master
https://developer.blender.org/rBbeaa66bb13a5d801ec10957922b2d90e04ca5d7c

Fix T59640: Transform w/ auto-merge & hidden verts crashes

===================================================================

M	source/blender/bmesh/intern/bmesh_operators.c
M	source/blender/editors/sculpt_paint/sculpt.c

===================================================================

diff --git a/source/blender/bmesh/intern/bmesh_operators.c b/source/blender/bmesh/intern/bmesh_operators.c
index 4bc09c173f6..60de182499b 100644
--- a/source/blender/bmesh/intern/bmesh_operators.c
+++ b/source/blender/bmesh/intern/bmesh_operators.c
@@ -1851,7 +1851,12 @@ bool BMO_op_vinitf(BMesh *bm, BMOperator *op, const int flag, const char *_fmt,
 							BMO_slot_buffer_from_disabled_hflag(bm, op, op->slots_in, slot_name, htype, va_arg(vlist, int));
 						}
 						else if (type == 'a') {
-							BMO_slot_buffer_from_all(bm, op, op->slots_in, slot_name, htype);
+							if ((op->flag & BMO_FLAG_RESPECT_HIDE) == 0) {
+								BMO_slot_buffer_from_all(bm, op, op->slots_in, slot_name, htype);
+							}
+							else {
+								BMO_slot_buffer_from_disabled_hflag(bm, op, op->slots_in, slot_name, htype, BM_ELEM_HIDDEN);
+							}
 						}
 						else if (type == 'f') {
 							BMO_slot_buffer_from_enabled_flag(bm, op, op->slots_in, slot_name, htype, va_arg(vlist, int));
diff --git a/source/blender/editors/sculpt_paint/sculpt.c b/source/blender/editors/sculpt_paint/sculpt.c
index 53c7d4aebbd..d7a2c38f340 100644
--- a/source/blender/editors/sculpt_paint/sculpt.c
+++ b/source/blender/editors/sculpt_paint/sculpt.c
@@ -5600,7 +5600,7 @@ static int sculpt_symmetrize_exec(bContext *C, wmOperator *UNUSED(op))
 	BM_mesh_toolflags_set(ss->bm, true);
 
 	/* Symmetrize and re-triangulate */
-	BMO_op_callf(ss->bm, BMO_FLAG_DEFAULTS,
+	BMO_op_callf(ss->bm, (BMO_FLAG_DEFAULTS & ~BMO_FLAG_RESPECT_HIDE),
 	             "symmetrize input=%avef direction=%i  dist=%f",
 	             sd->symmetrize_direction, 0.00001f);
 	sculpt_dynamic_topology_triangulate(ss->bm);