[HWASAN] Turn on sanitizer common tests for HWASAN

[kstoimenov]

Rename.

[kstoimenov]

New line.

compiler-rt/test/sanitizer_common/CMakeLists.txt

 set(SANITIZER_COMMON_LIT_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
 
 set(SANITIZER_COMMON_TEST_DEPS ${SANITIZER_COMMON_LIT_TEST_DEPS})
 
 set(SANITIZER_COMMON_TESTSUITES)
 
 # FIXME(dliew): We should switch to COMPILER_RT_SANITIZERS_TO_BUILD instead of
 # the hard coded `SUPPORTED_TOOLS_INIT` list once we know that the other
 # sanitizers work.
-set(SUPPORTED_TOOLS_INIT asan lsan msan tsan ubsan)
+set(SUPPORTED_TOOLS_INIT asan hwasan lsan msan tsan ubsan)
 set(SUPPORTED_TOOLS)
   foreach(SANITIZER_TOOL ${SUPPORTED_TOOLS_INIT})
     string(TOUPPER ${SANITIZER_TOOL} SANITIZER_TOOL_UPPER)
     if (COMPILER_RT_HAS_${SANITIZER_TOOL_UPPER})
       list(APPEND SUPPORTED_TOOLS ${SANITIZER_TOOL})
     endif()
   endforeach()
 
foreach(arch ${TEST_ARCH})
     if (NOT (CMAKE_SYSTEM_NAME MATCHES "Darwin" AND
              ${tool} STREQUAL "lsan" AND
              ${arch} STREQUAL "i386"))
       list(APPEND SANITIZER_COMMON_TESTSUITES
            ${CMAKE_CURRENT_BINARY_DIR}/${CONFIG_NAME})
     endif()
   endforeach()
 endforeach()
-
 # Unit tests.
 if(COMPILER_RT_INCLUDE_TESTS)
   configure_lit_site_cfg(
     ${CMAKE_CURRENT_SOURCE_DIR}/Unit/lit.site.cfg.py.in
     ${CMAKE_CURRENT_BINARY_DIR}/Unit/lit.site.cfg.py)
   # FIXME: support unit test in the android test runner
   if (NOT ANDROID)
     list(APPEND SANITIZER_COMMON_TESTSUITES ${CMAKE_CURRENT_BINARY_DIR}/Unit)

compiler-rt/test/sanitizer_common/lit.common.cfg.py

 # -*- Python -*-
 
 # Setup source root.
 config.test_source_root = os.path.join(os.path.dirname(__file__), "TestCases")
 
 config.name = "SanitizerCommon-" + config.name_suffix
 
 default_tool_options = []
 collect_stack_traces = ""
+target_arch = getattr(config, 'target_arch', None)
 if config.tool_name == "asan":
   tool_cflags = ["-fsanitize=address"]
   tool_options = "ASAN_OPTIONS"
+elif config.tool_name == "hwasan":
+  tool_cflags = ["-fsanitize=hwaddress"]
+  if target_arch == "x86_64":
+    tool_cflags = tool_cflags + [ '-fsanitize-hwaddress-experimental-aliasing']
+  tool_options = "HWASAN_OPTIONS"
 elif config.tool_name == "tsan":
   tool_cflags = ["-fsanitize=thread"]
   tool_options = "TSAN_OPTIONS"
 elif config.tool_name == "msan":
   tool_cflags = ["-fsanitize=memory"]
   tool_options = "MSAN_OPTIONS"
   collect_stack_traces = "-fsanitize-memory-track-origins"
 elif config.tool_name == "lsan":