Revert "Make compiler-rt/asan tests run with llvm-lit."

This reverts commit 7f84f62ef0.

Seems to be causing a bunch of compiler-rt test failures on
ppc64-linux bots.

compiler-rt/test/asan/CMakeLists.txt

@@ -58,8 +58,6 @@ foreach(arch ${ASAN_TEST_ARCH})
   configure_lit_site_cfg(
     ${CMAKE_CURRENT_SOURCE_DIR}/lit.site.cfg.py.in
     ${CMAKE_CURRENT_BINARY_DIR}/${CONFIG_NAME}/lit.site.cfg.py
-    MAIN_CONFIG
-    ${CMAKE_CURRENT_SOURCE_DIR}/lit.cfg.py
     )
   list(APPEND ASAN_TESTSUITES ${CMAKE_CURRENT_BINARY_DIR}/${CONFIG_NAME})
 

compiler-rt/test/asan/lit.cfg.py

@@ -63,11 +63,6 @@ config.substitutions.append(('%env_asan_opts=',
 # Setup source root.
 config.test_source_root = os.path.dirname(__file__)
 
-# Setup executable root.
-if hasattr(config, 'asan_lit_binary_dir') and \
-        config.asan_lit_binary_dir is not None:
-    config.test_exec_root = config.asan_lit_binary_dir
-
 if config.host_os not in ['FreeBSD', 'NetBSD']:
   libdl_flag = "-ldl"
 else:

compiler-rt/test/asan/lit.site.cfg.py.in

@@ -9,7 +9,6 @@ config.apple_platform = "@ASAN_TEST_APPLE_PLATFORM@"
 config.apple_platform_min_deployment_target_flag = "@ASAN_TEST_MIN_DEPLOYMENT_TARGET_FLAG@"
 config.asan_dynamic = @ASAN_TEST_DYNAMIC@
 config.target_arch = "@ASAN_TEST_TARGET_ARCH@"
-config.asan_lit_binary_dir = "@COMPILER_RT_BINARY_DIR@"
 
 # Load common config for all compiler-rt lit tests.
 lit_config.load_config(config, "@COMPILER_RT_BINARY_DIR@/test/lit.common.configured")