1 files changed, 6 insertions, 1 deletions
diff --git a/lld/ELF/InputSection.cpp b/lld/ELF/InputSection.cpp
index 2c628b964cd..dc55f6320b9 100644
--- a/lld/ELF/InputSection.cpp
+++ b/lld/ELF/InputSection.cpp
@@ -400,7 +400,12 @@ void InputSection::copyRelocations(uint8_t *Buf, ArrayRef<RelTy> Rels) {
       // avoid having to parse and recreate .eh_frame, we just replace any
       // relocation in it pointing to discarded sections with R_*_NONE, which
       // hopefully creates a frame that is ignored at runtime.
-      SectionBase *Section = cast<Defined>(Sym).Section;
+      auto *D = dyn_cast<Defined>(&Sym);
+      if (!D) {
+        error("STT_SECTION symbol should be defined");
+        continue;
+      }
+      SectionBase *Section = D->Section;
       if (Section == &InputSection::Discarded) {
         P->setSymbolAndType(0, 0, false);
         continue;