diff --git a/lld/ELF/LinkerScript.cpp b/lld/ELF/LinkerScript.cpp
--- a/lld/ELF/LinkerScript.cpp
+++ b/lld/ELF/LinkerScript.cpp
@@ -953,7 +953,7 @@
 
     // We do not want to keep any special flags for output section
     // in case it is empty.
-    bool isEmpty = getInputSections(sec).empty();
+    bool isEmpty = (getFirstInputSection(sec) == nullptr);
     if (isEmpty)
       sec->flags = flags & ((sec->nonAlloc ? 0 : (uint64_t)SHF_ALLOC) |
                             SHF_WRITE | SHF_EXECINSTR);
diff --git a/lld/ELF/OutputSections.h b/lld/ELF/OutputSections.h
--- a/lld/ELF/OutputSections.h
+++ b/lld/ELF/OutputSections.h
@@ -118,7 +118,8 @@
 
 int getPriority(StringRef s);
 
-std::vector<InputSection *> getInputSections(OutputSection* os);
+InputSection *getFirstInputSection(const OutputSection *os);
+std::vector<InputSection *> getInputSections(const OutputSection *os);
 
 // All output sections that are handled by the linker specially are
 // globally accessible. Writer initializes them, so don't use them
diff --git a/lld/ELF/OutputSections.cpp b/lld/ELF/OutputSections.cpp
--- a/lld/ELF/OutputSections.cpp
+++ b/lld/ELF/OutputSections.cpp
@@ -357,8 +357,7 @@
 }
 
 void OutputSection::finalize() {
-  std::vector<InputSection *> v = getInputSections(this);
-  InputSection *first = v.empty() ? nullptr : v[0];
+  InputSection *first = getFirstInputSection(this);
 
   if (flags & SHF_LINK_ORDER) {
     // We must preserve the link order dependency of sections with the
@@ -466,7 +465,15 @@
   return v;
 }
 
-std::vector<InputSection *> getInputSections(OutputSection *os) {
+InputSection *getFirstInputSection(const OutputSection *os) {
+  for (BaseCommand *base : os->sectionCommands)
+    if (auto *isd = dyn_cast<InputSectionDescription>(base))
+      if (!isd->sections.empty())
+        return isd->sections[0];
+  return nullptr;
+}
+
+std::vector<InputSection *> getInputSections(const OutputSection *os) {
   std::vector<InputSection *> ret;
   for (BaseCommand *base : os->sectionCommands)
     if (auto *isd = dyn_cast<InputSectionDescription>(base))