Remove unnecessary code for non-zero-length global regexps.

src/jsregexp.cc

Index: src/jsregexp.cc
diff --git a/src/jsregexp.cc b/src/jsregexp.cc
index cbd0b26a2acc6b30003cbe5183a4bc68609bd858..cc067955873cc63f79fca26c416a2f8dea9deac4 100644
--- a/src/jsregexp.cc
+++ b/src/jsregexp.cc
@@ -5901,7 +5901,12 @@ RegExpEngine::CompilationResult RegExpEngine::Compile(
     macro_assembler.SetCurrentPositionFromEnd(max_length);
   }
 
-  macro_assembler.set_global(is_global);
+  if (is_global) {
+    macro_assembler.set_global_flag(
+        (data->tree->min_match() > 0)
+            ? RegExpMacroAssembler::GLOBAL_NO_ZERO_LENGTH_MATCH
+            : RegExpMacroAssembler::GLOBAL);
+  }
 
   return compiler.Assemble(&macro_assembler,
                            node,