diff --git a/.gitattributes b/.gitattributes
index 3224004632..94dc211740 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -18990,6 +18990,7 @@ utils/wasmbin/testscan/inst_const_i32.wat svneol=native#text/plain
 utils/wasmbin/testscan/inst_const_i32_neg.wat svneol=native#text/plain
 utils/wasmbin/testscan/inst_const_i64.wat svneol=native#text/plain
 utils/wasmbin/testscan/inst_const_i64_neg.wat svneol=native#text/plain
+utils/wasmbin/testscan/inst_const_i64_neg_hex.wat svneol=native#text/plain
 utils/wasmbin/testscan/inst_const_i64_pos.wat svneol=native#text/plain
 utils/wasmbin/wasmbin.pas svneol=native#text/plain
 utils/wasmbin/wasmbincode.pas svneol=native#text/plain
diff --git a/utils/wasmbin/testscan/inst_const_i64_neg_hex.wat b/utils/wasmbin/testscan/inst_const_i64_neg_hex.wat
new file mode 100644
index 0000000000..116b224995
--- /dev/null
+++ b/utils/wasmbin/testscan/inst_const_i64_neg_hex.wat
@@ -0,0 +1,5 @@
+(module
+  (func $add (result i64)
+    i64.const -0x7FFFFFFFFFFFFFFF
+  )
+)