3932f706eeb2d0b4722d35df64b39b0755b92861
hiram
  Tue Jan 14 10:55:27 2014 -0800
remove useless self assignment refs #12209
diff --git src/hg/lib/ggGraph.c src/hg/lib/ggGraph.c
index c02047b..129d464 100644
--- src/hg/lib/ggGraph.c
+++ src/hg/lib/ggGraph.c
@@ -479,31 +479,30 @@
 			 int startIx, int endIx, int start2Ix, int end2Ix)
 /** Check to see if the mRNAs contained in the edges defined by
     these vertexes overlap. */
 {
 struct ggEvidence *edge1 = gg->evidence[startIx][endIx];
 struct ggEvidence *edge2 = gg->evidence[start2Ix][end2Ix];
 struct ggEvidence *ev1 = NULL, *ev2 = NULL;
 struct ggAliInfo *ai1 = NULL;
 struct ggAliInfo *ai2 = NULL;
 char buff[256];
 boolean overlap = FALSE;
 for(ev1 = edge1; ev1 != NULL; ev1 = ev1->next)
     {
     safef(buff, sizeof(buff), "%s", gg->mrnaRefs[ev1->id]);
     ai1 = hashMustFindVal(aliHash, buff);
-    ai1 = ai1;
     for(ev2 = edge2; ev2 != NULL; ev2 = ev2->next)
 	{
 	safef(buff, sizeof(buff), "%s", gg->mrnaRefs[ev2->id]);
 	ai2 = hashMustFindVal(aliHash, buff);
 	if(ggAliInfoOverlap(gg->vertices, ai1, ai2, startIx, endIx, start2Ix, end2Ix ))
 	    return TRUE;
 	}
     }
 return overlap;
 }
 
 
 void getStartEdgesOverlapping(struct geneGraph *gg, struct hash *mRnaAli, int softStartIx, 
 				       int endIx, enum ggVertexType startType, int **oIndex, int *oCount)
 /** Loop through all the edges looking for ones that overlap