[PATCH] D103350: [lld/mac] Don't crash on -order_file with assembly inputs on arm64

[Nico Weber via Phabricator via llvm-commits]

This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rGc4053cd14eb9: [lld/mac] Don't crash on -order_file with assembly inputs on arm64 (authored by thakis).
Herald added a project: LLVM.

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D103350/new/

https://reviews.llvm.org/D103350

Files:
  lld/MachO/Writer.cpp
  lld/test/MachO/order-file.s


Index: lld/test/MachO/order-file.s
===================================================================
--- lld/test/MachO/order-file.s
+++ lld/test/MachO/order-file.s
@@ -172,3 +172,7 @@
 _main:
   callq "-[Foo doFoo:andBar:]"
   ret
+
+.section  __DWARF,__debug_aranges,regular,debug
+ltmp1:
+  .byte 0
Index: lld/MachO/Writer.cpp
===================================================================
--- lld/MachO/Writer.cpp
+++ lld/MachO/Writer.cpp
@@ -748,7 +748,7 @@
   for (const InputFile *file : inputFiles) {
     if (isa<ObjFile>(file))
       for (Symbol *sym : file->symbols)
-        if (auto *d = dyn_cast<Defined>(sym))
+        if (auto *d = dyn_cast_or_null<Defined>(sym))
           addSym(*d);
   }
 


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