fix fuzzbug regarding signed 64-bit extension

1 files changed, 2 insertions, 2 deletions

diff --git a/src/analyzer.js b/src/analyzer.js
index adc615fb..c930231f 100644
--- a/src/analyzer.js
+++ b/src/analyzer.js
@@ -684,9 +684,9 @@ function analyzer(data, sidePass) {
                       params: [(signed && j + whole > sourceElements.length) ? signedKeepAlive : null],
                       type: 'i32',
                     };
-                    if (j == 0 && isUnsignedOp(value.op) && sourceBits < 32) {
+                    if (j == 0 && sourceBits < 32) {
                       // zext sign correction
-                      result.ident = makeSignOp(result.ident, 'i' + sourceBits, 'un', 1, 1);
+                      result.ident = makeSignOp(result.ident, 'i' + sourceBits, isUnsignedOp(value.op) ? 'un' : 're', 1, 1);
                     }
                     if (fraction != 0) {
                       var other = {