[mach-o] Add support and test cases for parsing tentative definitions
llvm-svn: 208919
diff --git a/lld/lib/ReaderWriter/MachO/MachONormalizedFileBinaryWriter.cpp b/lld/lib/ReaderWriter/MachO/MachONormalizedFileBinaryWriter.cpp
index 1ffb429..1012319 100644
--- a/lld/lib/ReaderWriter/MachO/MachONormalizedFileBinaryWriter.cpp
+++ b/lld/lib/ReaderWriter/MachO/MachONormalizedFileBinaryWriter.cpp
@@ -726,6 +726,8 @@
void MachOFileLayout::writeSectionContent() {
for (const Section &s : _file.sections) {
// Copy all section content to output buffer.
+ if (s.type == llvm::MachO::S_ZEROFILL)
+ continue;
uint32_t offset = _sectInfo[&s].fileOffset;
uint8_t *p = &_buffer[offset];
memcpy(p, &s.content[0], s.content.size());