[regexp] Move RegExp.prototype[@@search] to TF

test/mjsunit/regexp.js

Index: test/mjsunit/regexp.js
diff --git a/test/mjsunit/regexp.js b/test/mjsunit/regexp.js
index beed6cd30f23224bada5ca703b2ba1a59834d249..04c723665a60162c40b8c8876905cf581c2f8b08 100644
--- a/test/mjsunit/regexp.js
+++ b/test/mjsunit/regexp.js
@@ -748,3 +748,19 @@ RegExp.prototype.exec = RegExpPrototypeExec;
 var re = /./;
 re.lastIndex = { [Symbol.toPrimitive]: 42 };
 try { "abc".search(re); } catch (_) {}  // Ensure we don't crash.
+
+// Test lastIndex values of -0.0 and NaN (since @@search uses SameValue).
+
+var re = /./;
+re.exec = function(str) { assertEquals(0, re.lastIndex); return []; }
+re.lastIndex = -0.0;
+assertEquals(-0, re.lastIndex);
+"abc".search(re);
+assertEquals(-0, re.lastIndex);
+
+var re = /./;
+re.exec = function(str) { assertEquals(0, re.lastIndex); return []; }
+re.lastIndex = NaN;
+assertEquals(NaN, re.lastIndex);
+"abc".search(re);
+assertEquals(NaN, re.lastIndex);