fix fastcomp vararg alignment, only 4-byte

1 files changed, 4 insertions, 1 deletions

diff --git a/src/runtime.js b/src/runtime.js
index dedaf5ea..8ba5d08d 100644
--- a/src/runtime.js
+++ b/src/runtime.js
@@ -185,8 +185,11 @@ var Runtime = {
   // type can be a native type or a struct (or null, for structs we only look at size here)
   getAlignSize: function(type, size, vararg) {
     // we align i64s and doubles on 64-bit boundaries, unlike x86
+#if TARGET_LE32 == 1
+    if (vararg) return 8;
+#endif
 #if TARGET_LE32
-    if (type == 'i64' || type == 'double' || vararg) return 8;
+    if (!vararg && (type == 'i64' || type == 'double')) return 8;
     if (!type) return Math.min(size, 8); // align structures internally to 64 bits
 #endif
     return Math.min(size || (type ? Runtime.getNativeFieldSize(type) : 0), Runtime.QUANTUM_SIZE);