[Bf-blender-cvs] [323c5e1e0bc] master: Fix T78494: Edge slide crashes

[Campbell Barton]

Commit: 323c5e1e0bc728e81dbc1f048cb9653cf905c984
Author: Campbell Barton
Date:   Wed Jul 1 21:28:27 2020 +1000
Branches: master
https://developer.blender.org/rB323c5e1e0bc728e81dbc1f048cb9653cf905c984

Fix T78494: Edge slide crashes

Introduced in recent commit 9c29803255e09.

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

M	source/blender/editors/transform/transform_mode_edge_slide.c

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

diff --git a/source/blender/editors/transform/transform_mode_edge_slide.c b/source/blender/editors/transform/transform_mode_edge_slide.c
index bad24cfc86c..ed22afc404e 100644
--- a/source/blender/editors/transform/transform_mode_edge_slide.c
+++ b/source/blender/editors/transform/transform_mode_edge_slide.c
@@ -1252,11 +1252,14 @@ void drawEdgeSlide(TransInfo *t)
     TransDataEdgeSlideVert *curr_sv = &sld->sv[sld->curr_sv_index];
     const int alpha_shade = -160;
 
+    float co_dir[3];
+    add_v3_v3v3(co_dir, curr_sv->v_co_orig, curr_sv->dir_side[sld->curr_side_unclamp]);
+
     GPU_line_width(line_size);
     immUniformThemeColorShadeAlpha(TH_EDGE_SELECT, 80, alpha_shade);
     immBeginAtMost(GPU_PRIM_LINES, 2);
-    immVertex3fv(pos, curr_sv->v_side[sld->curr_side_unclamp]->co);
     immVertex3fv(pos, curr_sv->v_co_orig);
+    immVertex3fv(pos, co_dir);
     immEnd();
   }