Update LLDB snapshot to upstream r241361

Notable upstream commits (upstream revision in parens):

- Add a JSON producer to LLDB (228636)
- Don't crash on bad DWARF expression (228729)
- Add support of DWARFv3 DW_OP_form_tls_address (231342)
- Assembly profiler for MIPS64 (232619)
- Handle FreeBSD/arm64 core files (233273)
- Read/Write register for MIPS64 (233685)
- Rework LLDB system initialization (233758)
- SysV ABI for aarch64 (236098)
- MIPS software single stepping (236696)
- FreeBSD/arm live debugging support (237303)
- Assembly profiler for mips32 (237420)
- Parse function name from DWARF DW_AT_abstract_origin (238307)
- Improve LLDB prompt handling (238313)
- Add real time signals support to FreeBSDSignals (238316)
- Fix race in IOHandlerProcessSTDIO (238423)
- MIPS64 Branch instruction emulation for SW single stepping (238820)
- Improve OSType initialization in elf object file's arch_spec (239148)
- Emulation of MIPS64 floating-point branch instructions (239996)
- ABI Plugin for MIPS32 (239997)
- ABI Plugin for MIPS64 (240123)
- MIPS32 branch emulation and single stepping (240373)
- Improve instruction emulation based stack unwinding on ARM (240533)
- Add branch emulation to aarch64 instruction emulator (240769)

1 files changed, 10 insertions, 0 deletions

diff --git a/contrib/llvm/tools/lldb/source/Host/common/ThreadLauncher.cpp b/contrib/llvm/tools/lldb/source/Host/common/ThreadLauncher.cpp
index ec7da32..c19a233 100644
--- a/contrib/llvm/tools/lldb/source/Host/common/ThreadLauncher.cpp
+++ b/contrib/llvm/tools/lldb/source/Host/common/ThreadLauncher.cpp
@@ -38,6 +38,16 @@ ThreadLauncher::LaunchThread(llvm::StringRef name, lldb::thread_func_t thread_fu
         error.SetError(::GetLastError(), eErrorTypeWin32);
 #else
 
+
+    // ASAN instrumentation adds a lot of bookkeeping overhead on stack frames.
+#if __has_feature(address_sanitizer)
+    const size_t eight_megabytes = 8 * 1024 * 1024;
+    if (min_stack_byte_size < eight_megabytes)
+    {
+        min_stack_byte_size += eight_megabytes;
+    }
+#endif
+
     pthread_attr_t *thread_attr_ptr = NULL;
     pthread_attr_t thread_attr;
     bool destroy_attr = false;