From 314506ec1a42c377b322d4f172f79f88f4c0f87b Mon Sep 17 00:00:00 2001
From: Josh Berdine <jjb@fb.com>
Date: Sat, 8 Oct 2016 14:16:50 -0700
Subject: [PATCH] [quandary] ok to have no post if start node has no succs

Reviewed By: sblackshear

Differential Revision: D3991275

fbshipit-source-id: 5f8c4be
---
 infer/src/quandary/TaintAnalysis.ml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/infer/src/quandary/TaintAnalysis.ml b/infer/src/quandary/TaintAnalysis.ml
index d296334f6..4d907df35 100644
--- a/infer/src/quandary/TaintAnalysis.ml
+++ b/infer/src/quandary/TaintAnalysis.ml
@@ -441,7 +441,9 @@ module Make (TraceDomain : QuandarySummary.Trace) = struct
           let summary = make_summary formals access_tree in
           Summary.write_summary (Cfg.Procdesc.get_proc_name pdesc) summary;
       | None ->
-          failwith "Couldn't compute post" in
+          if Cfg.Node.get_succs (Cfg.Procdesc.get_start_node pdesc) = []
+          then ()
+          else failwith "Couldn't compute post" in
     let callbacks =
       {
         Ondemand.analyze_ondemand;