message: Fix build break on Mac
  Summary:
  broke building tests on the Mac, I don't feel too guilty because that's the sinners way of developing in
  Redex so it's cool but still we have to support it.
diff: @@ -270,7 +270,7 @@ class GlobalConstantPropagationTest : public ::testing::Test {
  void build_program1() {
  auto b0 = new SimpleBlock;
  b0->stmts.push_back(Statement(0, 2));
  - b0->stmts.push_back(Statement(1, 0x1234567890ABCDEFL));
  + b0->stmts.push_back(Statement(1, int64_t(0x1234567890ABCDEFL)));
  m_program1.add(b0);
  auto b1 = new SimpleBlock;
  @@ -315,7 +315,7 @@ class GlobalConstantPropagationTest : public ::testing::Test {
  auto b0 = new SimpleBlock;
  b0->stmts.push_back(Statement(0, 0));
  b0->stmts.push_back(Statement(1, uint16_t(0)));
  - b0->stmts.push_back(Statement(2, 10L));
  + b0->stmts.push_back(Statement(2, int64_t(10L)));
  m_program2.add(b0);
  auto b1 = new SimpleBlock;
  @@ -323,11 +323,11 @@ class GlobalConstantPropagationTest : public ::testing::Test {
  m_program2.add(b1);
  auto b2 = new SimpleBlock;
  - b2->stmts.push_back(Statement(2, 10L));
  + b2->stmts.push_back(Statement(2, int64_t(10L)));
  m_program2.add(b2);
  auto b3 = new SimpleBlock;
  - b3->stmts.push_back(Statement(2, 10L));
  + b3->stmts.push_back(Statement(2, int64_t(10L)));
  m_program2.add(b3);
  auto b4 = new SimpleBlock;
  @@ -387,17 +387,17 @@ class GlobalConstantPropagationTest : public ::testing::Test {
  m_program3.add(b0);
  auto b1 = new SimpleBlock;
  - b1->stmts.push_back(Statement(1, 2L));
  - b1->stmts.push_back(Statement(0, 1L));
  + b1->stmts.push_back(Statement(1, int64_t(2L)));
  + b1->stmts.push_back(Statement(0, int64_t(1L)));
  b1->stmts.push_back(Statement(2, 5));
  m_program3.add(b1);
  auto b2 = new SimpleBlock;
  - b2->stmts.push_back(Statement(1, 3L));
  + b2->stmts.push_back(Statement(1, int64_t(3L)));
  m_program3.add(b2);
  auto b3 = new SimpleBlock;
  - b3->stmts.push_back(Statement(1, 2L));
  + b3->stmts.push_back(Statement(1, int64_t(2L)));
  m_program3.add(b3);
  auto b4 = new SimpleBlock;
  