nodejs
diff --git a/‎lib/zlib.js‎
Lines changed: 2 additions & 0 deletions b/‎lib/zlib.js‎
Lines changed: 2 additions & 0 deletions
diff --git a/‎test/parallel/test-zlib-negative-zero.js‎
Lines changed: 8 additions & 0 deletions b/‎test/parallel/test-zlib-negative-zero.js‎
Lines changed: 8 additions & 0 deletions
@@ -969,6 +969,8 @@ function crc32(data, value = 0) {
     throw new ERR_INVALID_ARG_TYPE('data', ['Buffer', 'TypedArray', 'DataView', 'string'], data);
   }
   validateUint32(value, 'value');
+  // Coerce -0 to +0.
+  value += 0;
   return crc32Native(data, value);
 }
 
 
@@ -0,0 +1,8 @@
+'use strict';
+
+require('../common');
+
+const assert = require('assert');
+const zlib = require('zlib');
+
+assert.strictEqual(zlib.crc32('', -0), zlib.crc32('', 0));
Original file line number	Diff line number	Diff line change
@@ -969,6 +969,8 @@ function crc32(data, value = 0) {
969	969	throw new ERR_INVALID_ARG_TYPE('data', ['Buffer', 'TypedArray', 'DataView', 'string'], data);
970	970	}
971	971	validateUint32(value, 'value');
	972	+ // Coerce -0 to +0.
	973	+ value += 0;
972	974	return crc32Native(data, value);
973	975	}
974	976