Bump the limit for test-heap/TestSizeOfRegExpCode

test/cctest/test-heap.cc

Index: test/cctest/test-heap.cc
diff --git a/test/cctest/test-heap.cc b/test/cctest/test-heap.cc
index 40776acf534c9ab878772c7b92b70b5c3a53f84a..2d15786f89ee03af59847a8e2687d3b5ef1f412d 100644
--- a/test/cctest/test-heap.cc
+++ b/test/cctest/test-heap.cc
@@ -1743,7 +1743,7 @@ TEST(TestSizeOfRegExpCode) {
 
   int size_of_regexp_code = size_with_regexp - initial_size;
 
-  CHECK_LE(size_of_regexp_code, 500 * KB);
+  CHECK_LE(size_of_regexp_code, 1 * MB);
 
   // Small regexp is half the size, but compiles to more than twice the code
   // due to the optimization steps.