diff --git a/lld/MachO/InputFiles.cpp b/lld/MachO/InputFiles.cpp
--- a/lld/MachO/InputFiles.cpp
+++ b/lld/MachO/InputFiles.cpp
@@ -601,7 +601,7 @@
       continue;
 
     std::vector<uint32_t> &symbolIndices = symbolsBySection[i];
-    llvm::sort(symbolIndices, [&](uint32_t lhs, uint32_t rhs) {
+    llvm::stable_sort(symbolIndices, [&](uint32_t lhs, uint32_t rhs) {
       return nList[lhs].n_value < nList[rhs].n_value;
     });
     uint64_t sectionAddr = sectionHeaders[i].addr;
diff --git a/lld/test/MachO/stabs.s b/lld/test/MachO/stabs.s
--- a/lld/test/MachO/stabs.s
+++ b/lld/test/MachO/stabs.s
@@ -191,14 +191,14 @@
   .long  Lset3
   .byte  0                       ## End Of Children Mark
 Ldebug_info_end0:
-.subsections_via_symbols
-.section  __DWARF,__debug_line,regular,debug
 
 .section OTHER,more_text,regular,pure_instructions
 .globl _fun
 _fun:
   ret
 
+.subsections_via_symbols
+
 #--- foo.s
 .text
 .globl  _foo
@@ -240,13 +240,13 @@
   .long  Lset3
   .byte  0                       ## End Of Children Mark
 Ldebug_info_end0:
-.subsections_via_symbols
-.section  __DWARF,__debug_line,regular,debug
 
 .section  __DWARF,__debug_aranges,regular,debug
 ltmp1:
   .byte 0
 
+.subsections_via_symbols
+
 #--- no-debug.s
 ## This file has no debug info.
 .text