[NFC][scudo] Restore !UseQuarantine check in tests

The check was removed in D99786 as it seems that quarantine is
irrelevant for the just created allocator. However there is internal
issues with tagged memory access.

We should be able to fix iterateOverChunks for taggin later.

Author: vitalybuka

compiler-rt/lib/scudo/standalone/tests/combined_test.cpp

@@ -286,22 +286,27 @@ TYPED_TEST(ScudoCombinedTest, IterateOverChunks) {
   // Allocates a bunch of chunks, then iterate over all the chunks, ensuring
   // they are the ones we allocated. This requires the allocator to not have any
   // other allocated chunk at this point (eg: won't work with the Quarantine).
-  std::vector<void *> V;
-  for (scudo::uptr I = 0; I < 64U; I++)
-    V.push_back(Allocator->allocate(
-        rand() % (TypeParam::Primary::SizeClassMap::MaxSize / 2U), Origin));
-  Allocator->disable();
-  Allocator->iterateOverChunks(
-      0U, static_cast<scudo::uptr>(SCUDO_MMAP_RANGE_SIZE - 1),
-      [](uintptr_t Base, size_t Size, void *Arg) {
-        std::vector<void *> *V = reinterpret_cast<std::vector<void *> *>(Arg);
-        void *P = reinterpret_cast<void *>(Base);
-        EXPECT_NE(std::find(V->begin(), V->end(), P), V->end());
-      },
-      reinterpret_cast<void *>(&V));
-  Allocator->enable();
-  for (auto P : V)
-    Allocator->deallocate(P, Origin);
+  // FIXME: Make it work with UseQuarantine and tagging enabled. Internals of
+  // iterateOverChunks reads header by tagged and non-tagger pointers so one of
+  // them will fail.
+  if (!UseQuarantine) {
+    std::vector<void *> V;
+    for (scudo::uptr I = 0; I < 64U; I++)
+      V.push_back(Allocator->allocate(
+          rand() % (TypeParam::Primary::SizeClassMap::MaxSize / 2U), Origin));
+    Allocator->disable();
+    Allocator->iterateOverChunks(
+        0U, static_cast<scudo::uptr>(SCUDO_MMAP_RANGE_SIZE - 1),
+        [](uintptr_t Base, size_t Size, void *Arg) {
+          std::vector<void *> *V = reinterpret_cast<std::vector<void *> *>(Arg);
+          void *P = reinterpret_cast<void *>(Base);
+          EXPECT_NE(std::find(V->begin(), V->end(), P), V->end());
+        },
+        reinterpret_cast<void *>(&V));
+    Allocator->enable();
+    for (auto P : V)
+      Allocator->deallocate(P, Origin);
+  }
 }
 
 TYPED_TEST(ScudoCombinedTest, UseAfterFree) {