[JITLink] Add testcase that was accidentally left out of 19e402d2b34.

GitOrigin-RevId: 0c6ee502ebfb0ac9b1ba098075c4f2e502e1af80
diff --git a/test/ExecutionEngine/JITLink/X86/MachO_same_section_name_different_segment_names.s b/test/ExecutionEngine/JITLink/X86/MachO_same_section_name_different_segment_names.s
new file mode 100644
index 0000000..e1f750c
--- /dev/null
+++ b/test/ExecutionEngine/JITLink/X86/MachO_same_section_name_different_segment_names.s
@@ -0,0 +1,26 @@
+# RUN: llvm-mc -triple=x86_64-apple-macosx10.9 -filetype=obj -o %t %s
+# RUN: llvm-jitlink -noexec %t
+#
+# Check that JITLink handles MachO sections with the same section name but
+# different segment names.
+
+	.section	__TEXT,__text,regular,pure_instructions
+	.build_version macos, 11, 0	sdk_version 11, 1
+	.globl	_main
+	.p2align	4, 0x90
+_main:                                  ## @main
+	xorl	%eax, %eax
+	retq
+
+        .section	__TEXT,__const
+        .globl _a
+_a:
+        .quad   42
+
+	.section	__DATA,__const
+	.globl	_b
+	.p2align	3
+_b:
+	.quad	42
+
+.subsections_via_symbols