[lld] a7a4115 - [ELF] Replace .zdebug string comparison with SHF_COMPRESSED check. NFC

[Fangrui Song via llvm-commits]

Author: Fangrui Song
Date: 2022-01-19T22:33:32-08:00
New Revision: a7a4115bf3bcbf6f9f8d70909c316f0631b25efb

URL: https://github.com/llvm/llvm-project/commit/a7a4115bf3bcbf6f9f8d70909c316f0631b25efb
DIFF: https://github.com/llvm/llvm-project/commit/a7a4115bf3bcbf6f9f8d70909c316f0631b25efb.diff

LOG: [ELF] Replace .zdebug string comparison with SHF_COMPRESSED check. NFC

Added: 
    

Modified: 
    lld/ELF/InputSection.cpp

Removed: 
    


################################################################################
diff  --git a/lld/ELF/InputSection.cpp b/lld/ELF/InputSection.cpp
index 62db24fe099e4..5b6242646605f 100644
--- a/lld/ELF/InputSection.cpp
+++ b/lld/ELF/InputSection.cpp
@@ -219,7 +219,8 @@ OutputSection *SectionBase::getOutputSection() {
 // `uncompressedSize` member and remove the header from `rawData`.
 template <typename ELFT> void InputSectionBase::parseCompressedHeader() {
   // Old-style header
-  if (name.startswith(".zdebug")) {
+  if (!(flags & SHF_COMPRESSED)) {
+    assert(name.startswith(".zdebug"));
     if (!toStringRef(rawData).startswith("ZLIB")) {
       error(toString(this) + ": corrupted compressed section header");
       return;
@@ -240,7 +241,6 @@ template <typename ELFT> void InputSectionBase::parseCompressedHeader() {
     return;
   }
 
-  assert(flags & SHF_COMPRESSED);
   flags &= ~(uint64_t)SHF_COMPRESSED;
 
   // New-style header