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

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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@351934 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/tools/llvm-objcopy/COFF/Writer.cpp b/tools/llvm-objcopy/COFF/Writer.cpp
index 05e4629..db897e2 100644 (file)
--- a/tools/llvm-objcopy/COFF/Writer.cpp
+++ b/tools/llvm-objcopy/COFF/Writer.cpp
@@ -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 {