Index: lib/sanitizer_common/tests/sanitizer_allocator_test.cc
===================================================================
--- lib/sanitizer_common/tests/sanitizer_allocator_test.cc
+++ lib/sanitizer_common/tests/sanitizer_allocator_test.cc
@@ -163,9 +163,14 @@
   TestSizeClassAllocator<Allocator64>();
 }
 
+// This test can fail on Windows if memory is somewhat full and lit happens
+// to run several large-memory tests at the same time.
+// FIXME: Make it not flaky and reenable.
+#if !SANITIZER_WINDOWS
 TEST(SanitizerCommon, SizeClassAllocator64Dynamic) {
   TestSizeClassAllocator<Allocator64Dynamic>();
 }
+#endif
 
 TEST(SanitizerCommon, SizeClassAllocator64Compact) {
   TestSizeClassAllocator<Allocator64Compact>();
@@ -248,6 +253,9 @@
 }
 
 #if SANITIZER_CAN_USE_ALLOCATOR64
+// These tests can fail on Windows if memory is somewhat full and lit happens
+// to run them all at the same time. FIXME: Make them not flaky and reenable.
+#if !SANITIZER_WINDOWS
 TEST(SanitizerCommon, SizeClassAllocator64GetBlockBegin) {
   SizeClassAllocatorGetBlockBeginStress<Allocator64>();
 }
@@ -260,6 +268,7 @@
 TEST(SanitizerCommon, SizeClassAllocator32CompactGetBlockBegin) {
   SizeClassAllocatorGetBlockBeginStress<Allocator32Compact>();
 }
+#endif
 #endif  // SANITIZER_CAN_USE_ALLOCATOR64
 
 struct TestMapUnmapCallback {
@@ -559,10 +568,15 @@
       SizeClassAllocatorLocalCache<Allocator64> >();
 }
 
+// This test can fail on Windows if memory is somewhat full and lit happens
+// to run several large-memory tests at the same time.
+// FIXME: Make it not flaky and reenable.
+#if !SANITIZER_WINDOWS
 TEST(SanitizerCommon, SizeClassAllocator64DynamicLocalCache) {
   TestSizeClassAllocatorLocalCache<
       SizeClassAllocatorLocalCache<Allocator64Dynamic> >();
 }
+#endif
 
 TEST(SanitizerCommon, SizeClassAllocator64CompactLocalCache) {
   TestSizeClassAllocatorLocalCache<