Index: vendor/compiler-rt/dist/CMakeLists.txt
===================================================================
--- vendor/compiler-rt/dist/CMakeLists.txt	(revision 311318)
+++ vendor/compiler-rt/dist/CMakeLists.txt	(revision 311319)
@@ -1,250 +1,261 @@
 # CMake build for CompilerRT.
 #
 # This build assumes that CompilerRT is checked out into the
 # 'projects/compiler-rt' or 'runtimes/compiler-rt' inside of an LLVM tree.
 # Standalone build system for CompilerRT is not yet ready.
 #
 # An important constraint of the build is that it only produces libraries
 # based on the ability of the host toolchain to target various platforms.
 
 # Check if compiler-rt is built as a standalone project.
 if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR OR COMPILER_RT_STANDALONE_BUILD)
   project(CompilerRT C CXX ASM)
   set(COMPILER_RT_STANDALONE_BUILD TRUE)
 endif()
 
 cmake_minimum_required(VERSION 3.4.3)
 # FIXME:
 # The OLD behavior (pre 3.2) for this policy is to not set the value of the 
 # CMAKE_EXE_LINKER_FLAGS variable in the generated test project. The NEW behavior
 # for this policy is to set the value of the CMAKE_EXE_LINKER_FLAGS variable 
 # in the test project to the same as it is in the calling project. The new 
 # behavior cause the compiler_rt test to fail during try_compile: see
 # projects/compiler-rt/cmake/Modules/CompilerRTUtils.cmake:121 such that
 # CAN_TARGET_${arch} is not set properly. This results in COMPILER_RT_SUPPORTED_ARCH
 # not being updated properly leading to poblems.
 cmake_policy(SET CMP0056 OLD)
 
 # Add path for custom compiler-rt modules.
 list(INSERT CMAKE_MODULE_PATH 0
   "${CMAKE_CURRENT_SOURCE_DIR}/cmake"
   "${CMAKE_CURRENT_SOURCE_DIR}/cmake/Modules"
   )
 
 include(base-config-ix)
 include(CompilerRTUtils)
 
 option(COMPILER_RT_BUILD_BUILTINS "Build builtins" ON)
 mark_as_advanced(COMPILER_RT_BUILD_BUILTINS)
 option(COMPILER_RT_BUILD_SANITIZERS "Build sanitizers" ON)
 mark_as_advanced(COMPILER_RT_BUILD_SANITIZERS)
 option(COMPILER_RT_BUILD_XRAY "Build xray" ON)
 mark_as_advanced(COMPILER_RT_BUILD_XRAY)
 
 if (COMPILER_RT_STANDALONE_BUILD)
   load_llvm_config()
 
   # Find Python interpreter.
   set(Python_ADDITIONAL_VERSIONS 2.7 2.6 2.5)
   include(FindPythonInterp)
   if(NOT PYTHONINTERP_FOUND)
     message(FATAL_ERROR "
       Unable to find Python interpreter required testing. Please install Python
       or specify the PYTHON_EXECUTABLE CMake variable.")
   endif()
 
   # Define default arguments to lit.
   set(LIT_ARGS_DEFAULT "-sv")
   if (MSVC OR XCODE)
     set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar")
   endif()
   set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit")
 endif()
 
 construct_compiler_rt_default_triple()
 if ("${COMPILER_RT_DEFAULT_TARGET_ABI}" STREQUAL "androideabi")
   set(ANDROID 1)
 endif()
 
 set(COMPILER_RT_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
 set(COMPILER_RT_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
 
 # We support running instrumented tests when we're not cross compiling
 # and target a UNIX-like system or Windows.
 # We can run tests on Android even when we are cross-compiling.
 if(("${CMAKE_HOST_SYSTEM}" STREQUAL "${CMAKE_SYSTEM}" AND (UNIX OR WIN32)) OR ANDROID
    OR COMPILER_RT_EMULATOR)
   option(COMPILER_RT_CAN_EXECUTE_TESTS "Can we execute instrumented tests" ON)
 else()
   option(COMPILER_RT_CAN_EXECUTE_TESTS "Can we execute instrumented tests" OFF)
 endif()
 
 option(COMPILER_RT_DEBUG "Build runtimes with full debug info" OFF)
 option(COMPILER_RT_EXTERNALIZE_DEBUGINFO
   "Generate dSYM files and strip executables and libraries (Darwin Only)" OFF)
 # COMPILER_RT_DEBUG_PYBOOL is used by lit.common.configured.in.
 pythonize_bool(COMPILER_RT_DEBUG)
 
 include(config-ix)
 
 if(APPLE AND SANITIZER_MIN_OSX_VERSION VERSION_LESS "10.9")
   # Mac OS X prior to 10.9 had problems with exporting symbols from
   # libc++/libc++abi.
   set(use_cxxabi_default OFF)
 elseif(MSVC)
   set(use_cxxabi_default OFF)
 else()
   set(use_cxxabi_default ON)
 endif()
 
 option(SANITIZER_CAN_USE_CXXABI "Sanitizers can use cxxabi" ${use_cxxabi_default})
 pythonize_bool(SANITIZER_CAN_USE_CXXABI)
 
 #================================
 # Setup Compiler Flags
 #================================
 
 if(MSVC)
   # Override any existing /W flags with /W4. This is what LLVM does.  Failing to
   # remove other /W[0-4] flags will result in a warning about overriding a
   # previous flag.
   if (COMPILER_RT_HAS_W4_FLAG)
     string(REGEX REPLACE " /W[0-4]" "" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
     string(REGEX REPLACE " /W[0-4]" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
     append_string_if(COMPILER_RT_HAS_W4_FLAG /W4 CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
   endif()
 else()
   append_string_if(COMPILER_RT_HAS_WALL_FLAG -Wall CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
 endif()
 if(COMPILER_RT_ENABLE_WERROR)
   append_string_if(COMPILER_RT_HAS_WERROR_FLAG -Werror CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
   append_string_if(COMPILER_RT_HAS_WX_FLAG /WX CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
 endif()
 
 append_string_if(COMPILER_RT_HAS_STD_CXX11_FLAG -std=c++11 CMAKE_CXX_FLAGS)
 
 # Emulate C99 and C++11's __func__ for MSVC prior to 2013 CTP.
 if(NOT COMPILER_RT_HAS_FUNC_SYMBOL)
   add_definitions(-D__func__=__FUNCTION__)
 endif()
 
 # Provide some common commmandline flags for Sanitizer runtimes.
 if(NOT WIN32)
   append_list_if(COMPILER_RT_HAS_FPIC_FLAG -fPIC SANITIZER_COMMON_CFLAGS)
 endif()
 append_list_if(COMPILER_RT_HAS_FNO_BUILTIN_FLAG -fno-builtin SANITIZER_COMMON_CFLAGS)
 append_list_if(COMPILER_RT_HAS_FNO_EXCEPTIONS_FLAG -fno-exceptions SANITIZER_COMMON_CFLAGS)
 if(NOT COMPILER_RT_DEBUG)
   append_list_if(COMPILER_RT_HAS_FOMIT_FRAME_POINTER_FLAG -fomit-frame-pointer SANITIZER_COMMON_CFLAGS)
 endif()
 append_list_if(COMPILER_RT_HAS_FUNWIND_TABLES_FLAG -funwind-tables SANITIZER_COMMON_CFLAGS)
 append_list_if(COMPILER_RT_HAS_FNO_STACK_PROTECTOR_FLAG -fno-stack-protector SANITIZER_COMMON_CFLAGS)
 append_list_if(COMPILER_RT_HAS_FNO_SANITIZE_SAFE_STACK_FLAG -fno-sanitize=safe-stack SANITIZER_COMMON_CFLAGS)
 append_list_if(COMPILER_RT_HAS_FVISIBILITY_HIDDEN_FLAG -fvisibility=hidden SANITIZER_COMMON_CFLAGS)
 append_list_if(COMPILER_RT_HAS_FVISIBILITY_INLINES_HIDDEN_FLAG -fvisibility-inlines-hidden SANITIZER_COMMON_CFLAGS)
 append_list_if(COMPILER_RT_HAS_FNO_FUNCTION_SECTIONS_FLAG -fno-function-sections SANITIZER_COMMON_CFLAGS)
 append_list_if(COMPILER_RT_HAS_FNO_LTO_FLAG -fno-lto SANITIZER_COMMON_CFLAGS)
 
 if(MSVC)
   # Replace the /M[DT][d] flags with /MT, and strip any definitions of _DEBUG,
   # which cause definition mismatches at link time.
   # FIXME: In fact, sanitizers should support both /MT and /MD, see PR20214.
   if(COMPILER_RT_HAS_MT_FLAG)
     foreach(flag_var
       CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE
       CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO
       CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_RELEASE
       CMAKE_CXX_FLAGS_MINSIZEREL CMAKE_CXX_FLAGS_RELWITHDEBINFO)
       string(REGEX REPLACE "/M[DT]d" "/MT" ${flag_var} "${${flag_var}}")
       string(REGEX REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}")
       string(REGEX REPLACE "/D_DEBUG" "" ${flag_var} "${${flag_var}}")
     endforeach()
   endif()
   append_list_if(COMPILER_RT_HAS_Oy_FLAG /Oy- SANITIZER_COMMON_CFLAGS)
   append_list_if(COMPILER_RT_HAS_GS_FLAG /GS- SANITIZER_COMMON_CFLAGS)
   # VS 2015 (version 1900) added support for thread safe static initialization.
   # However, ASan interceptors run before CRT initialization, which causes the
   # new thread safe code to crash. Disable this feature for now.
   if (MSVC_VERSION GREATER 1899 OR "${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
     list(APPEND SANITIZER_COMMON_CFLAGS /Zc:threadSafeInit-)
   endif()
 endif()
 
 append_list_if(COMPILER_RT_DEBUG -DSANITIZER_DEBUG=1 SANITIZER_COMMON_CFLAGS)
 
 # Build with optimization, unless we're in debug mode. If we're using MSVC,
 # always respect the optimization flags set by CMAKE_BUILD_TYPE instead.
 if(NOT COMPILER_RT_DEBUG AND NOT MSVC)
   list(APPEND SANITIZER_COMMON_CFLAGS -O3)
 endif()
 
 # Determine if we should restrict stack frame sizes.
 # Stack frames on PowerPC and Mips and in debug biuld can be much larger than
 # anticipated.
 # FIXME: Fix all sanitizers and add -Wframe-larger-than to
 # SANITIZER_COMMON_FLAGS
 if(COMPILER_RT_HAS_WFRAME_LARGER_THAN_FLAG AND NOT COMPILER_RT_DEBUG
    AND NOT ${COMPILER_RT_DEFAULT_TARGET_ARCH} MATCHES "powerpc|mips")
   set(SANITIZER_LIMIT_FRAME_SIZE TRUE)
 else()
   set(SANITIZER_LIMIT_FRAME_SIZE FALSE)
 endif()
 
 # Build sanitizer runtimes with debug info.
 if(COMPILER_RT_HAS_GLINE_TABLES_ONLY_FLAG AND NOT COMPILER_RT_DEBUG)
   list(APPEND SANITIZER_COMMON_CFLAGS -gline-tables-only)
 elseif(COMPILER_RT_HAS_G_FLAG)
   list(APPEND SANITIZER_COMMON_CFLAGS -g)
 elseif(MSVC)
   # Use /Z7 instead of /Zi for the asan runtime. This avoids the LNK4099
   # warning from the MS linker complaining that it can't find the 'vc140.pdb'
   # file used by our object library compilations.
   list(APPEND SANITIZER_COMMON_CFLAGS /Z7)
   llvm_replace_compiler_option(CMAKE_CXX_FLAGS "/Z[i7I]" "/Z7")
   llvm_replace_compiler_option(CMAKE_CXX_FLAGS_DEBUG "/Z[i7I]" "/Z7")
   llvm_replace_compiler_option(CMAKE_CXX_FLAGS_RELWITHDEBINFO "/Z[i7I]" "/Z7")
 endif()
 
 if(LLVM_ENABLE_MODULES)
   # Sanitizers cannot be built with -fmodules. The interceptors intentionally
   # don't include system headers, which is incompatible with modules.
   list(APPEND SANITIZER_COMMON_CFLAGS -fno-modules)
 endif()
 
 # Turn off several warnings.
 append_list_if(COMPILER_RT_HAS_WGNU_FLAG -Wno-gnu SANITIZER_COMMON_CFLAGS)
 append_list_if(COMPILER_RT_HAS_WVARIADIC_MACROS_FLAG -Wno-variadic-macros SANITIZER_COMMON_CFLAGS)
 append_list_if(COMPILER_RT_HAS_WC99_EXTENSIONS_FLAG -Wno-c99-extensions SANITIZER_COMMON_CFLAGS)
 append_list_if(COMPILER_RT_HAS_WNON_VIRTUAL_DTOR_FLAG -Wno-non-virtual-dtor SANITIZER_COMMON_CFLAGS)
 append_list_if(COMPILER_RT_HAS_WD4146_FLAG /wd4146 SANITIZER_COMMON_CFLAGS)
 append_list_if(COMPILER_RT_HAS_WD4291_FLAG /wd4291 SANITIZER_COMMON_CFLAGS)
 append_list_if(COMPILER_RT_HAS_WD4391_FLAG /wd4391 SANITIZER_COMMON_CFLAGS)
 append_list_if(COMPILER_RT_HAS_WD4722_FLAG /wd4722 SANITIZER_COMMON_CFLAGS)
 append_list_if(COMPILER_RT_HAS_WD4800_FLAG /wd4800 SANITIZER_COMMON_CFLAGS)
 
 # Warnings to turn off for all libraries, not just sanitizers.
 append_string_if(COMPILER_RT_HAS_WUNUSED_PARAMETER_FLAG -Wno-unused-parameter CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
 
+if (CMAKE_LINKER MATCHES "link.exe$")
+  # Silence MSVC linker warnings caused by empty object files. The
+  # sanitizer libraries intentionally use ifdefs that result in empty
+  # files, rather than skipping these files in the build system.
+  # Ideally, we would pass this flag only for the libraries that need
+  # it, but CMake doesn't seem to have a way to set linker flags for
+  # individual static libraries, so we enable the suppression flag for
+  # the whole compiler-rt project.
+  append("/IGNORE:4221" CMAKE_STATIC_LINKER_FLAGS)
+endif()
+
 add_subdirectory(include)
 
 set(COMPILER_RT_LIBCXX_PATH ${LLVM_MAIN_SRC_DIR}/projects/libcxx)
 if(EXISTS ${COMPILER_RT_LIBCXX_PATH}/)
   set(COMPILER_RT_HAS_LIBCXX_SOURCES TRUE)
 else()
   set(COMPILER_RT_HAS_LIBCXX_SOURCES FALSE)
 endif()
 
 set(COMPILER_RT_LLD_PATH ${LLVM_MAIN_SRC_DIR}/tools/lld)
 if(EXISTS ${COMPILER_RT_LLD_PATH}/)
   set(COMPILER_RT_HAS_LLD_SOURCES TRUE)
 else()
   set(COMPILER_RT_HAS_LLD_SOURCES FALSE)
 endif()
 pythonize_bool(COMPILER_RT_HAS_LLD_SOURCES)
 
 add_subdirectory(lib)
 
 if(COMPILER_RT_INCLUDE_TESTS)
   add_subdirectory(unittests)
   add_subdirectory(test)
 endif()
Index: vendor/compiler-rt/dist/lib/xray/xray_inmemory_log.cc
===================================================================
--- vendor/compiler-rt/dist/lib/xray/xray_inmemory_log.cc	(revision 311318)
+++ vendor/compiler-rt/dist/lib/xray/xray_inmemory_log.cc	(revision 311319)
@@ -1,185 +1,194 @@
 //===-- xray_inmemory_log.cc ------------------------------------*- C++ -*-===//
 //
 //                     The LLVM Compiler Infrastructure
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // This file is a part of XRay, a dynamic runtime instrumentation system.
 //
 // Implementation of a simple in-memory log of XRay events. This defines a
 // logging function that's compatible with the XRay handler interface, and
 // routines for exporting data to files.
 //
 //===----------------------------------------------------------------------===//
 
 #include <cassert>
 #include <cstdint>
 #include <cstdio>
 #include <fcntl.h>
 #include <mutex>
 #include <sys/stat.h>
 #include <sys/syscall.h>
 #include <sys/types.h>
 #include <thread>
 #include <unistd.h>
 
 #if defined(__x86_64__)
 #include "xray_x86_64.h"
 #elif defined(__arm__) || defined(__aarch64__)
 #include "xray_emulate_tsc.h"
 #else
 #error "Unsupported CPU Architecture"
 #endif /* Architecture-specific inline intrinsics */
 
 #include "sanitizer_common/sanitizer_libc.h"
 #include "xray/xray_records.h"
 #include "xray_defs.h"
 #include "xray_flags.h"
 #include "xray_interface_internal.h"
 
 // __xray_InMemoryRawLog will use a thread-local aligned buffer capped to a
 // certain size (32kb by default) and use it as if it were a circular buffer for
 // events. We store simple fixed-sized entries in the log for external analysis.
 
 extern "C" {
 void __xray_InMemoryRawLog(int32_t FuncId,
                            XRayEntryType Type) XRAY_NEVER_INSTRUMENT;
 }
 
 namespace __xray {
 
 std::mutex LogMutex;
 
 static void retryingWriteAll(int Fd, char *Begin,
                              char *End) XRAY_NEVER_INSTRUMENT {
   if (Begin == End)
     return;
   auto TotalBytes = std::distance(Begin, End);
   while (auto Written = write(Fd, Begin, TotalBytes)) {
     if (Written < 0) {
       if (errno == EINTR)
         continue; // Try again.
       Report("Failed to write; errno = %d\n", errno);
       return;
     }
     TotalBytes -= Written;
     if (TotalBytes == 0)
       break;
     Begin += Written;
   }
 }
 
 class ThreadExitFlusher {
   int Fd;
   XRayRecord *Start;
   size_t &Offset;
 
 public:
   explicit ThreadExitFlusher(int Fd, XRayRecord *Start,
                              size_t &Offset) XRAY_NEVER_INSTRUMENT
       : Fd(Fd),
         Start(Start),
         Offset(Offset) {}
 
   ~ThreadExitFlusher() XRAY_NEVER_INSTRUMENT {
     std::lock_guard<std::mutex> L(LogMutex);
     if (Fd > 0 && Start != nullptr) {
       retryingWriteAll(Fd, reinterpret_cast<char *>(Start),
                        reinterpret_cast<char *>(Start + Offset));
       // Because this thread's exit could be the last one trying to write to the
       // file and that we're not able to close out the file properly, we sync
       // instead and hope that the pending writes are flushed as the thread
       // exits.
       fsync(Fd);
     }
   }
 };
 
 } // namespace __xray
 
 using namespace __xray;
 
 void PrintToStdErr(const char *Buffer) XRAY_NEVER_INSTRUMENT {
   fprintf(stderr, "%s", Buffer);
 }
 
 static int __xray_OpenLogFile() XRAY_NEVER_INSTRUMENT {
   // FIXME: Figure out how to make this less stderr-dependent.
   SetPrintfAndReportCallback(PrintToStdErr);
   // Open a temporary file once for the log.
   static char TmpFilename[256] = {};
   static char TmpWildcardPattern[] = "XXXXXX";
-  auto E = internal_strncat(TmpFilename, flags()->xray_logfile_base,
-                            sizeof(TmpFilename) - 10);
-  if (static_cast<size_t>((E + 6) - TmpFilename) > (sizeof(TmpFilename) - 1)) {
-    Report("XRay log file base too long: %s\n", flags()->xray_logfile_base);
+  auto Argv = GetArgv();
+  const char *Progname = Argv[0] == nullptr ? "(unknown)" : Argv[0];
+  const char *LastSlash = internal_strrchr(Progname, '/');
+
+  if (LastSlash != nullptr)
+    Progname = LastSlash + 1;
+
+  const int HalfLength = sizeof(TmpFilename) / 2 - sizeof(TmpWildcardPattern);
+  int NeededLength = internal_snprintf(TmpFilename, sizeof(TmpFilename),
+                                       "%.*s%.*s.%s",
+                                       HalfLength, flags()->xray_logfile_base,
+                                       HalfLength, Progname,
+                                       TmpWildcardPattern);
+  if (NeededLength > int(sizeof(TmpFilename))) {
+    Report("XRay log file name too long (%d): %s\n", NeededLength, TmpFilename);
     return -1;
   }
-  internal_strncat(TmpFilename, TmpWildcardPattern,
-                   sizeof(TmpWildcardPattern) - 1);
   int Fd = mkstemp(TmpFilename);
   if (Fd == -1) {
     Report("XRay: Failed opening temporary file '%s'; not logging events.\n",
            TmpFilename);
     return -1;
   }
   if (Verbosity())
     fprintf(stderr, "XRay: Log file in '%s'\n", TmpFilename);
 
   // Since we're here, we get to write the header. We set it up so that the
   // header will only be written once, at the start, and let the threads
   // logging do writes which just append.
   XRayFileHeader Header;
   Header.Version = 1;
   Header.Type = FileTypes::NAIVE_LOG;
   Header.CycleFrequency = __xray::cycleFrequency();
 
   // FIXME: Actually check whether we have 'constant_tsc' and 'nonstop_tsc'
   // before setting the values in the header.
   Header.ConstantTSC = 1;
   Header.NonstopTSC = 1;
   retryingWriteAll(Fd, reinterpret_cast<char *>(&Header),
                    reinterpret_cast<char *>(&Header) + sizeof(Header));
   return Fd;
 }
 
 void __xray_InMemoryRawLog(int32_t FuncId,
                            XRayEntryType Type) XRAY_NEVER_INSTRUMENT {
   using Buffer =
       std::aligned_storage<sizeof(XRayRecord), alignof(XRayRecord)>::type;
   static constexpr size_t BuffLen = 1024;
   thread_local static Buffer InMemoryBuffer[BuffLen] = {};
   thread_local static size_t Offset = 0;
   static int Fd = __xray_OpenLogFile();
   if (Fd == -1)
     return;
   thread_local __xray::ThreadExitFlusher Flusher(
       Fd, reinterpret_cast<__xray::XRayRecord *>(InMemoryBuffer), Offset);
   thread_local pid_t TId = syscall(SYS_gettid);
 
   // First we get the useful data, and stuff it into the already aligned buffer
   // through a pointer offset.
   auto &R = reinterpret_cast<__xray::XRayRecord *>(InMemoryBuffer)[Offset];
   R.RecordType = RecordTypes::NORMAL;
   R.TSC = __xray::readTSC(R.CPU);
   R.TId = TId;
   R.Type = Type;
   R.FuncId = FuncId;
   ++Offset;
   if (Offset == BuffLen) {
     std::lock_guard<std::mutex> L(LogMutex);
     auto RecordBuffer = reinterpret_cast<__xray::XRayRecord *>(InMemoryBuffer);
     retryingWriteAll(Fd, reinterpret_cast<char *>(RecordBuffer),
                      reinterpret_cast<char *>(RecordBuffer + Offset));
     Offset = 0;
   }
 }
 
 static auto Unused = [] {
   if (flags()->xray_naive_log)
     __xray_set_handler(__xray_InMemoryRawLog);
   return true;
 }();
Index: vendor/compiler-rt/dist/test/xray/TestCases/Linux/argv0-log-file-name.cc
===================================================================
--- vendor/compiler-rt/dist/test/xray/TestCases/Linux/argv0-log-file-name.cc	(nonexistent)
+++ vendor/compiler-rt/dist/test/xray/TestCases/Linux/argv0-log-file-name.cc	(revision 311319)
@@ -0,0 +1,14 @@
+// Check to make sure argv[0] is contained within the (randomised) XRay log file
+// name.
+
+// RUN: %clangxx_xray -std=c++11 %s -o %t
+// RUN: %run %t > xray.log.file.name 2>&1
+// RUN: ls | FileCheck xray.log.file.name
+// RUN: rm xray-log.* xray.log.file.name
+
+#include <cstdio>
+#include <libgen.h>
+
+[[clang::xray_always_instrument]] int main(int argc, char *argv[]) {
+  printf("// CHECK: xray-log.%s.{{.*}}\n", basename(argv[0]));
+}

Property changes on: vendor/compiler-rt/dist/test/xray/TestCases/Linux/argv0-log-file-name.cc
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