Index: COFF/Chunks.h
===================================================================
--- COFF/Chunks.h
+++ COFF/Chunks.h
@@ -510,7 +510,9 @@
 
 class RangeExtensionThunkARM64 : public NonSectionChunk {
 public:
-  explicit RangeExtensionThunkARM64(Defined *t) : target(t) {}
+  explicit RangeExtensionThunkARM64(Defined *t) : target(t) {
+    setAlignment(4);
+  }
   size_t getSize() const override;
   void writeTo(uint8_t *buf) const override;
 
Index: test/COFF/arm64-thunks.s
===================================================================
--- test/COFF/arm64-thunks.s
+++ test/COFF/arm64-thunks.s
@@ -3,10 +3,11 @@
 // RUN: lld-link -entry:main -subsystem:console %t.obj -out:%t.exe -verbose 2>&1 | FileCheck -check-prefix=VERBOSE %s
 // RUN: llvm-objdump -d %t.exe | FileCheck -check-prefix=DISASM %s
 
-// VERBOSE: Added 1 thunks with margin {{.*}} in 1 passes
+// VERBOSE: Added 2 thunks with margin {{.*}} in 1 passes
 
     .globl main
     .globl func1
+    .globl func2
     .text
 main:
     tbz w0, #0, func1
@@ -15,6 +16,14 @@
     .space 0x8000
     .section .text$b, "xr"
 func1:
+    tbz w0, #0, func2
+    ret
+    .space 1
+    .section .text$c, "xr"
+    .space 0x8000
+    .section .text$d, "xr"
+    .align 2
+func2:
     ret
 
 // DISASM: 0000000140001000 .text:
@@ -24,4 +33,11 @@
 // DISASM: 14000100c:      10 52 00 91     add     x16, x16, #20
 // DISASM: 140001010:      00 02 1f d6     br      x16
 
-// DISASM: 140009014:      c0 03 5f d6     ret
+// DISASM: 140009014:      60 00 00 36     tbz     w0, #0, #12 <.text+0x8020>
+// DISASM: 140009018:      c0 03 5f d6     ret
+
+// DISASM: 140009020:      50 00 00 90     adrp    x16, #32768
+// DISASM: 140009024:      10 b2 00 91     add     x16, x16, #44
+// DISASM: 140009028:      00 02 1f d6     br      x16
+
+// DISASM: 14001102c:      c0 03 5f d6     ret