diff --git a/lld/test/MachO/common-symbol-resolution.s b/lld/test/MachO/common-symbol-resolution.s
--- a/lld/test/MachO/common-symbol-resolution.s
+++ b/lld/test/MachO/common-symbol-resolution.s
@@ -13,6 +13,7 @@
 
 # RUN: llvm-ar rcs %t/defined.a %t/defined.o
 # RUN: llvm-ar rcs %t/weak-defined-and-common.a %t/weak-defined.o %t/common.o
+# RUN: llvm-ar rcs %t/common-and-weak-defined.a %t/common.o %t/weak-defined.o
 
 ## The weak attribute appears to have no effect on common symbols. Given two
 ## common symbols of the same name, we always pick the one with the larger size,
@@ -41,12 +42,11 @@
 # RUN: %lld -lSystem -order_file %t/order %t/weak-common.o %t/defined.a %t/test.o -o %t/test
 # RUN: llvm-objdump --syms %t/test | FileCheck %s --check-prefix=LARGER-COMMON
 
-## If an archive has both a common and a defined symbol, the defined one should
-## win.
+## Defined symbols have the same precedence as common symbols within an archive.
 # RUN: %lld -lSystem -order_file %t/order %t/weak-defined-and-common.a %t/calls-foo.o -o %t/calls-foo
 # RUN: llvm-objdump --syms %t/calls-foo | FileCheck %s --check-prefix=WEAK-DEFINED
-# RUN: %lld -lSystem -order_file %t/order %t/calls-foo.o %t/weak-defined-and-common.a -o %t/calls-foo
-# RUN: llvm-objdump --syms %t/calls-foo | FileCheck %s --check-prefix=WEAK-DEFINED
+# RUN: %lld -lSystem -order_file %t/order %t/calls-foo.o %t/common-and-weak-defined.a -o %t/calls-foo
+# RUN: llvm-objdump --syms %t/calls-foo | FileCheck %s --check-prefix=COMMON
 
 ## Common symbols take precedence over dylib symbols.
 # RUN: %lld -lSystem -order_file %t/order %t/libfoo.dylib %t/weak-common.o %t/test.o -o %t/test
@@ -54,14 +54,11 @@
 # RUN: %lld -lSystem -order_file %t/order %t/weak-common.o %t/libfoo.dylib %t/test.o -o %t/test
 # RUN: llvm-objdump --syms %t/test | FileCheck %s --check-prefix=LARGER-COMMON
 
-# LARGER-COMMON-LABEL: SYMBOL TABLE:
 # LARGER-COMMON-DAG:   [[#%x, FOO_ADDR:]] g     O __DATA,__common _foo
 # LARGER-COMMON-DAG:   [[#FOO_ADDR + 2]]  g     O __DATA,__common _foo_end
 
-# DEFINED-LABEL:       SYMBOL TABLE:
+# COMMON:              g     O __DATA,__common _foo
 # DEFINED:             g     F __TEXT,__text _foo
-
-# WEAK-DEFINED-LABEL:  SYMBOL TABLE:
 # WEAK-DEFINED:        w     F __TEXT,__text _foo
 
 #--- order
diff --git a/lld/test/MachO/weak-definition-direct-fetch.s b/lld/test/MachO/weak-definition-direct-fetch.s
--- a/lld/test/MachO/weak-definition-direct-fetch.s
+++ b/lld/test/MachO/weak-definition-direct-fetch.s
@@ -57,26 +57,31 @@
 
 ## The remaining lines test symbol pairs of different types.
 
+## (Weak) archive symbols take precedence over weak dylib symbols.
 # RUN: %lld -lSystem -o %t/weak-dylib-weak-ar -L%t -lweakfoo %t/weakfoo.a %t/test.o
 # RUN: llvm-objdump --macho --lazy-bind --syms %t/weak-dylib-weak-ar | FileCheck %s --check-prefix=PREFER-WEAK-OBJECT
 # RUN: %lld -lSystem -o %t/weak-ar-weak-dylib -L%t %t/weakfoo.a -lweakfoo %t/test.o
 # RUN: llvm-objdump --macho --lazy-bind --syms %t/weak-ar-weak-dylib | FileCheck %s --check-prefix=PREFER-WEAK-OBJECT
 
+## (Weak) archive symbols have the same precedence as dylib symbols.
 # RUN: %lld -lSystem -o %t/weak-ar-nonweak-dylib -L%t %t/weakfoo.a -lfoo %t/test.o
 # RUN: llvm-objdump --macho --lazy-bind --syms %t/weak-ar-nonweak-dylib | FileCheck %s --check-prefix=PREFER-WEAK-OBJECT
 # RUN: %lld -lSystem -o %t/nonweak-dylib-weak-ar -L%t -lfoo %t/weakfoo.a %t/test.o
 # RUN: llvm-objdump --macho --lazy-bind --syms %t/nonweak-dylib-weak-ar | FileCheck %s --check-prefix=PREFER-NONWEAK-DYLIB
 
+## Weak defined symbols take precedence over weak dylib symbols.
 # RUN: %lld -lSystem -o %t/weak-dylib-weak-obj -L%t -lweakfoo %t/weakfoo.o %t/test.o
 # RUN: llvm-objdump --macho --lazy-bind --syms %t/weak-dylib-weak-obj | FileCheck %s --check-prefix=PREFER-WEAK-OBJECT
 # RUN: %lld -lSystem -o %t/weak-obj-weak-dylib -L%t %t/weakfoo.o -lweakfoo %t/test.o
 # RUN: llvm-objdump --macho --lazy-bind --syms %t/weak-obj-weak-dylib | FileCheck %s --check-prefix=PREFER-WEAK-OBJECT
 
+## Weak defined symbols take precedence over dylib symbols.
 # RUN: %lld -lSystem -o %t/weak-obj-nonweak-dylib -L%t %t/weakfoo.o -lfoo %t/test.o
 # RUN: llvm-objdump --macho --lazy-bind --syms %t/weak-obj-nonweak-dylib | FileCheck %s --check-prefix=PREFER-WEAK-OBJECT
 # RUN: %lld -lSystem -o %t/nonweak-dylib-weak-obj -L%t -lfoo %t/weakfoo.o %t/test.o
 # RUN: llvm-objdump --macho --lazy-bind --syms %t/nonweak-dylib-weak-obj | FileCheck %s --check-prefix=PREFER-WEAK-OBJECT
 
+## Weak defined symbols take precedence over archive symbols.
 # RUN: %lld -lSystem -o %t/weak-obj-nonweak-ar %t/weakfoo.o %t/foo.a %t/test.o
 # RUN: llvm-objdump --macho --lazy-bind --syms %t/weak-obj-nonweak-ar | FileCheck %s --check-prefix=PREFER-WEAK-OBJECT
 # RUN: %lld -lSystem -o %t/nonweak-ar-weak-obj %t/foo.a %t/weakfoo.o %t/test.o