[clang-tools-extra] r344773 - [clangd] Fix msan failure after r344735 by initializing bitfields

[Krasimir Georgiev via cfe-commits]

Author: krasimir
Date: Thu Oct 18 23:05:32 2018
New Revision: 344773

URL: http://llvm.org/viewvc/llvm-project?rev=344773&view=rev
Log:
[clangd] Fix msan failure after r344735 by initializing bitfields

That revision changed integer members to bitfields; the integers were
default initialized before and the bitfields lost that default
initialization. This started causing msan use-of-uninitialized memory in
clangd tests.

Modified:
    clang-tools-extra/trunk/clangd/index/Index.h

Modified: clang-tools-extra/trunk/clangd/index/Index.h
URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/clangd/index/Index.h?rev=344773&r1=344772&r2=344773&view=diff
==============================================================================
--- clang-tools-extra/trunk/clangd/index/Index.h (original)
+++ clang-tools-extra/trunk/clangd/index/Index.h Thu Oct 18 23:05:32 2018
@@ -37,6 +37,7 @@ struct SymbolLocation {
   // Position is encoded into 32 bits to save space.
   // If Line/Column overflow, the value will be their maximum value.
   struct Position {
+    Position() : Line(0), Column(0) {}
     void setLine(uint32_t Line);
     uint32_t line() const { return Line; }
     void setColumn(uint32_t Column);