Fix "declaration of 'h' shadows a previous local [-Werror=shadow-compatible-local]"

Summary:
Fix "declaration of 'h' shadows a previous local [-Werror=shadow-compatible-local]"

(Note: this ignores all push blocking failures!)

Reviewed By: djwatson

Differential Revision: D7406485

fbshipit-source-id: f23548022a3ccb1f480c7265b11c31d2e2876fd4

folly/container/test/F14MapTest.cpp

@@ -412,7 +412,6 @@ TEST(F14FastMap, simple) {
 
 TEST(F14VectorMap, reverse_iterator) {
   using TMap = F14VectorMap<uint64_t, uint64_t>;
-  TMap h;
   auto populate = [](TMap& h, uint64_t lo, uint64_t hi) {
     for (auto i = lo; i < hi; ++i) {
       h.emplace(i, i);
@@ -432,7 +431,7 @@ TEST(F14VectorMap, reverse_iterator) {
     }
     EXPECT_EQ(hi, val);
   };
-
+  TMap h;
   size_t prevSize = 0;
   size_t newSize = 1;
   // verify iteration order across rehashes, copies, and moves

folly/container/test/F14SetTest.cpp

@@ -376,7 +376,6 @@ TEST(F14FastSet, simple) {
 
 TEST(F14VectorMap, reverse_iterator) {
   using TSet = F14VectorSet<uint64_t>;
-  TSet h;
   auto populate = [](TSet& h, uint64_t lo, uint64_t hi) {
     for (auto i = lo; i < hi; ++i) {
       h.insert(i);
@@ -395,6 +394,7 @@ TEST(F14VectorMap, reverse_iterator) {
     EXPECT_EQ(hi, val);
   };
 
+  TSet h;
   size_t prevSize = 0;
   size_t newSize = 1;
   // verify iteration order across rehashes, copies, and moves