[llvm-branch-commits] [llvm] [llvm-objcopy] Stream ELF output to reduce peak memory usage (PR #217706)

[James Henderson via llvm-branch-commits]

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@@ -2030,8 +2098,7 @@ Expected<std::unique_ptr<Object>> ELFReader::create(bool EnsureSymtab) const {
 }
 
 template <class ELFT> void ELFWriter<ELFT>::writeEhdr() {
-  Elf_Ehdr &Ehdr = *reinterpret_cast<Elf_Ehdr *>(Buf->getBufferStart());
-  std::fill(Ehdr.e_ident, Ehdr.e_ident + 16, 0);
+  Elf_Ehdr Ehdr = {};
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jh7370 wrote:

Same comment.

https://github.com/llvm/llvm-project/pull/217706