[Lldb-commits] [lldb] r362843 - [lldb] Fix msan use-of-uninitialized-value in DWARFDebugLine::FileNameEntry.

[Jorge Gorbe Moya via lldb-commits]

Author: jgorbe
Date: Fri Jun  7 14:09:30 2019
New Revision: 362843

URL: http://llvm.org/viewvc/llvm-project?rev=362843&view=rev
Log:
[lldb] Fix msan use-of-uninitialized-value in DWARFDebugLine::FileNameEntry.

lldb/lit/SymbolFile/DWARF/debug-types-expressions.test fails with msan.
This change fixes the issue by ensuring FileNameEntry::checksum is
always default-initialized.

Modified:
    lldb/trunk/source/Plugins/SymbolFile/DWARF/DWARFDebugLine.h

Modified: lldb/trunk/source/Plugins/SymbolFile/DWARF/DWARFDebugLine.h
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/SymbolFile/DWARF/DWARFDebugLine.h?rev=362843&r1=362842&r2=362843&view=diff
==============================================================================
--- lldb/trunk/source/Plugins/SymbolFile/DWARF/DWARFDebugLine.h (original)
+++ lldb/trunk/source/Plugins/SymbolFile/DWARF/DWARFDebugLine.h Fri Jun  7 14:09:30 2019
@@ -29,7 +29,8 @@ class DWARFDebugLine {
 public:
   // FileNameEntry
   struct FileNameEntry {
-    FileNameEntry() : name(nullptr), dir_idx(0), mod_time(0), length(0) {}
+    FileNameEntry()
+        : name(nullptr), dir_idx(0), mod_time(0), length(0), checksum() {}
 
     const char *name;
     dw_sleb128_t dir_idx;