diff --git a/mozilla/js/src/jsopcode.tbl b/mozilla/js/src/jsopcode.tbl
index 0878f834b88..309c3c0e217 100644
--- a/mozilla/js/src/jsopcode.tbl
+++ b/mozilla/js/src/jsopcode.tbl
@@ -210,3 +210,8 @@ OPDEF(JSOP_SETSP,     117,"setsp",      NULL,         3,  0,  0,  0,  JOF_UINT16
 OPDEF(JSOP_CONDSWITCH,118,"condswitch", NULL,         1,  0,  0,  0,  JOF_BYTE)
 OPDEF(JSOP_CASE,      119,"case",       NULL,         3,  1,  0,  0,  JOF_JUMP)
 OPDEF(JSOP_DEFAULT,   120,"default",    NULL,         3,  1,  0,  0,  JOF_JUMP)
+
+/*
+* ECMA-compliant call to eval op
+*/
+OPDEF(JSOP_CALLSPECIAL,121,"callspecial",NULL,         3, -1,  1, 11,  JOF_UINT16)