From 04388516db30df7184bd4eb3ef36498af9b9d9c7 Mon Sep 17 00:00:00 2001
From: Alon Zakai <alonzakai@gmail.com>
Date: Wed, 4 Nov 2015 21:51:18 -0800
Subject: nan

---
 src/wasm-s-parser.h | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

(limited to 'src/wasm-s-parser.h')

diff --git a/src/wasm-s-parser.h b/src/wasm-s-parser.h
index 26abdec8e..81c0e73b4 100644
--- a/src/wasm-s-parser.h
+++ b/src/wasm-s-parser.h
@@ -33,7 +33,8 @@ IString MODULE("module"),
         CALL_IMPORT("call_import"),
         CALL_INDIRECT("call_indirect"),
         INFINITY_("infinity"),
-        NEG_INFINITY("-infinity");
+        NEG_INFINITY("-infinity"),
+        NAN_("nan");
 
 //
 // An element in an S-Expression: a list or a string
@@ -517,6 +518,14 @@ private:
         }
         return ret;
       }
+      if (s[1]->str() == NAN_) {
+        switch (type) {
+          case f32: ret->value.f32 = std::nan(""); break;
+          case f64: ret->value.f64 = std::nan(""); break;
+          default: abort();
+        }
+        return ret;
+      }
     }
     const char *str = s[1]->c_str();
     std::istringstream istr(str);
-- 
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