From a6383a54a42847fe5c23682898ebf026c40c421f Mon Sep 17 00:00:00 2001
From: Justin Viiret <justin.viiret@intel.com>
Date: Fri, 30 Oct 2015 09:33:04 +1100
Subject: [PATCH] assignStringsToBuckets: assert that there are lits

---
 src/fdr/fdr_compile.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/fdr/fdr_compile.cpp b/src/fdr/fdr_compile.cpp
index 8d658ccd..8f1f3e03 100644
--- a/src/fdr/fdr_compile.cpp
+++ b/src/fdr/fdr_compile.cpp
@@ -245,6 +245,8 @@ void FDRCompiler::assignStringsToBuckets() {
     typedef pair<SCORE, u32> SCORE_INDEX_PAIR;
 
     u32 ls = verify_u32(lits.size());
+    assert(ls); // Shouldn't be called with no literals.
+
     // make a vector that contains our literals as pointers or u32 LiteralIndex values
     vector<LiteralIndex> vli;
     vli.resize(ls);
@@ -292,6 +294,8 @@ void FDRCompiler::assignStringsToBuckets() {
             currentChunk++;
         }
     }
+
+    assert(currentChunk > 0);
     count[currentChunk - 1] = ls - chunkStartID;
     // close off chunks with an empty row
     firstIds[currentChunk] = ls;