From 2d9e5a1c60a41e747956880ab199955b8f12d53c Mon Sep 17 00:00:00 2001
From: "Alon Zakai (kripken)" <alonzakai@gmail.com>
Date: Mon, 28 Aug 2017 14:53:00 -0700
Subject: improve fuzzing of functions with unreachable body

---
 src/tools/translate-to-fuzz.h | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

(limited to 'src')

diff --git a/src/tools/translate-to-fuzz.h b/src/tools/translate-to-fuzz.h
index 307604af6..74a457013 100644
--- a/src/tools/translate-to-fuzz.h
+++ b/src/tools/translate-to-fuzz.h
@@ -259,16 +259,16 @@ private:
     labelIndex = 0;
     assert(breakableStack.empty());
     assert(hangStack.empty());
+    // with small chance, make the body unreachable
+    auto bodyType = func->result;
+    if (oneIn(10)) {
+      bodyType = unreachable;
+    }
     // with reasonable chance make the body a block
     if (oneIn(2)) {
-      func->body = makeBlock(func->result);
+      func->body = makeBlock(bodyType);
     } else {
-      // with very small chance, make the body unreachable
-      if (oneIn(20)) {
-        func->body = make(unreachable);
-      } else {
-        func->body = make(func->result);
-      }
+      func->body = make(bodyType);
     }
     if (HANG_LIMIT > 0) {
       func->body = builder.makeSequence(
-- 
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