--- a/lld/COFF/Chunks.h	Mon May 25 11:50:15 2020 +0900
+++ b/lld/COFF/Chunks.h	Mon May 25 11:55:54 2020 +0900
@@ -269,7 +269,8 @@
     AssociatedIterator() = default;
     AssociatedIterator(SectionChunk *head) : cur(head) {}
     bool operator==(const AssociatedIterator &r) const { return cur == r.cur; }
-    const SectionChunk &operator*() const { return *cur; }
+    // FIXME: Wrong const-ness, but it makes filter ranges work.
+    SectionChunk &operator*() const { return *cur; }
     SectionChunk &operator*() { return *cur; }
     AssociatedIterator &operator++() {
       cur = cur->assocChildren;
@@ -486,7 +487,9 @@
 
 class ImportThunkChunkARM : public ImportThunkChunk {
 public:
-  explicit ImportThunkChunkARM(Defined *s) : ImportThunkChunk(s) {}
+  explicit ImportThunkChunkARM(Defined *s) : ImportThunkChunk(s) {
+    setAlignment(2);
+  }
   size_t getSize() const override { return sizeof(importThunkARM); }
   void getBaserels(std::vector<Baserel> *res) override;
   void writeTo(uint8_t *buf) const override;
@@ -494,14 +497,16 @@
 
 class ImportThunkChunkARM64 : public ImportThunkChunk {
 public:
-  explicit ImportThunkChunkARM64(Defined *s) : ImportThunkChunk(s) {}
+  explicit ImportThunkChunkARM64(Defined *s) : ImportThunkChunk(s) {
+    setAlignment(4);
+  }
   size_t getSize() const override { return sizeof(importThunkARM64); }
   void writeTo(uint8_t *buf) const override;
 };
 
 class RangeExtensionThunkARM : public NonSectionChunk {
 public:
-  explicit RangeExtensionThunkARM(Defined *t) : target(t) {}
+  explicit RangeExtensionThunkARM(Defined *t) : target(t) { setAlignment(2); }
   size_t getSize() const override;
   void writeTo(uint8_t *buf) const override;