[llvm] r351934 - [llvm-objcopy] [COFF] Clear the unwritten tail of coff_section::Header::Name

[Martin Storsjo via llvm-commits]

Author: mstorsjo
Date: Wed Jan 23 01:12:53 2019
New Revision: 351934

URL: http://llvm.org/viewvc/llvm-project?rev=351934&view=rev
Log:
[llvm-objcopy] [COFF] Clear the unwritten tail of coff_section::Header::Name

This should fix the add-gnu-debuglink test on all buildbots.

Modified:
    llvm/trunk/tools/llvm-objcopy/COFF/Writer.cpp

Modified: llvm/trunk/tools/llvm-objcopy/COFF/Writer.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/llvm-objcopy/COFF/Writer.cpp?rev=351934&r1=351933&r2=351934&view=diff
==============================================================================
--- llvm/trunk/tools/llvm-objcopy/COFF/Writer.cpp (original)
+++ llvm/trunk/tools/llvm-objcopy/COFF/Writer.cpp Wed Jan 23 01:12:53 2019
@@ -121,6 +121,7 @@ size_t COFFWriter::finalizeStringTable()
 
   for (auto &S : Obj.getMutableSections()) {
     if (S.Name.size() > COFF::NameSize) {
+      memset(S.Header.Name, 0, sizeof(S.Header.Name));
       snprintf(S.Header.Name, sizeof(S.Header.Name), "/%d",
                (int)StrTabBuilder.getOffset(S.Name));
     } else {