--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lld/test/mach-o/source-version.yaml	Thu Feb 13 15:10:13 2020 +0900
@@ -0,0 +1,28 @@
+# RUN: not ld64.lld -arch x86_64 -source_version 10.blah %s -o %t 2>&1 | FileCheck %s --check-prefix=ERROR
+# RUN: ld64.lld -arch x86_64 -source_version 10.1.2.3.4 %s -o %t -dylib %p/Inputs/x86_64/libSystem.yaml && llvm-objdump -private-headers %t | FileCheck %s
+
+--- !mach-o
+arch:            x86_64
+file-type:       MH_OBJECT
+flags:           [ MH_SUBSECTIONS_VIA_SYMBOLS ]
+sections:
+  - segment:         __TEXT
+    section:         __text
+    type:            S_REGULAR
+    attributes:      [ S_ATTR_PURE_INSTRUCTIONS, S_ATTR_SOME_INSTRUCTIONS ]
+    address:         0x0000000000000000
+    content:         [ 0x00, 0x00, 0x00, 0x00 ]
+global-symbols:
+  - name:            _main
+    type:            N_SECT
+    scope:           [ N_EXT ]
+    sect:            1
+    value:           0x0000000000000000
+...
+
+# ERROR: malformed source_version value
+
+# CHECK: Load command {{[0-9]*}}
+# CHECK:       cmd LC_SOURCE_VERSION
+# CHECK:   cmdsize 16
+# CHECK:   version 10.1.2.3.4
\ No newline at end of file