Report an error if --compress-debug-sections is given while zlib is not availble.

llvm-svn: 301757

1 files changed, 8 insertions, 8 deletions

diff --git a/lld/ELF/Driver.cpp b/lld/ELF/Driver.cpp
index d6aa946d327..8b390a164ff 100644
--- a/lld/ELF/Driver.cpp
+++ b/lld/ELF/Driver.cpp
@@ -594,14 +594,14 @@ static std::vector<StringRef> getLines(MemoryBufferRef MB) {
 }
 
 static bool getCompressDebugSections(opt::InputArgList &Args) {
-  if (auto *Arg = Args.getLastArg(OPT_compress_debug_sections)) {
-    StringRef S = Arg->getValue();
-    if (S == "zlib")
-      return zlib::isAvailable();
-    if (S != "none")
-      error("unknown --compress-debug-sections value: " + S);
-  }
-  return false;
+  StringRef S = getString(Args, OPT_compress_debug_sections, "none");
+  if (S == "none")
+    return false;
+  if (S != "zlib")
+    error("unknown --compress-debug-sections value: " + S);
+  if (!zlib::isAvailable())
+    error("--compress-debug-sections: zlib is not available");
+  return true;
 }
 
 // Initializes Config members by the command line options.