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, 21 insertions, 4 deletions

diff --git a/contrib/llvm/tools/lldb/source/Symbol/CompileUnit.cpp b/contrib/llvm/tools/lldb/source/Symbol/CompileUnit.cpp
index 6483258..d43ef44 100644
--- a/contrib/llvm/tools/lldb/source/Symbol/CompileUnit.cpp
+++ b/contrib/llvm/tools/lldb/source/Symbol/CompileUnit.cpp
@@ -149,9 +149,9 @@ CompileUnit::GetFunctionAtIndex (size_t idx)
 }
 
 //----------------------------------------------------------------------
-// Find functions using the a Mangled::Tokens token list. This
-// function currently implements an interative approach designed to find
-// all instances of certain functions. It isn't designed to the the
+// Find functions using the Mangled::Tokens token list. This
+// function currently implements an interactive approach designed to find
+// all instances of certain functions. It isn't designed to the
 // quickest way to lookup functions as it will need to iterate through
 // all functions and see if they match, though it does provide a powerful
 // and context sensitive way to search for all functions with a certain
@@ -292,7 +292,7 @@ CompileUnit::FindLineEntry (uint32_t start_idx, uint32_t line, const FileSpec* f
     else
     {
         // All the line table entries actually point to the version of the Compile
-        // Unit that is in the support files (the one at 0 was artifically added.)
+        // Unit that is in the support files (the one at 0 was artificially added.)
         // So prefer the one further on in the support files if it exists...
         FileSpecList &support_files = GetSupportFiles();
         const bool full = true;
@@ -436,6 +436,23 @@ CompileUnit::SetVariableList(VariableListSP &variables)
     m_variables = variables;
 }
 
+const std::vector<ConstString> &
+CompileUnit::GetImportedModules ()
+{
+    if (m_imported_modules.empty() &&
+        m_flags.IsClear(flagsParsedImportedModules))
+    {
+        m_flags.Set(flagsParsedImportedModules);
+        if (SymbolVendor *symbol_vendor = GetModule()->GetSymbolVendor())
+        {
+            SymbolContext sc;
+            CalculateSymbolContext(&sc);
+            symbol_vendor->ParseImportedModules(sc, m_imported_modules);
+        }
+    }
+    return m_imported_modules;
+}
+
 FileSpecList&
 CompileUnit::GetSupportFiles ()
 {