[lld] [lld][MachO] Test with exported_symbol and exported_symbols_list together (PR #127243)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-lld

Author: Ellis Hoag (ellishg)

<details>
<summary>Changes</summary>

I've been investigating a bug involving `-exported_symbol` and I discovered that we have no test that uses both `-exported_symbol` and `-exported_symbols_list` together. Add this test to ensure they do not override each other now or in the future.

---
Full diff: https://github.com/llvm/llvm-project/pull/127243.diff


1 Files Affected:

- (modified) lld/test/MachO/export-options.s (+6-2) 


``````````diff
diff --git a/lld/test/MachO/export-options.s b/lld/test/MachO/export-options.s
index 1a5d409e83383..df2f90e3a4f3f 100644
--- a/lld/test/MachO/export-options.s
+++ b/lld/test/MachO/export-options.s
@@ -117,13 +117,15 @@
 ## Check that only string-literal patterns match
 ## Check that comments and blank lines are stripped from symbol list
 # RUN: %lld -dylib %t/symdefs.o -o %t/literal \
-# RUN:     -exported_symbols_list %t/literals.txt
+# RUN:     -exported_symbols_list %t/literals.txt \
+# RUN:     -exported_symbol singleton
 # RUN: llvm-objdump --macho --exports-trie %t/literal | \
 # RUN:     FileCheck --check-prefix=LITERAL %s
 
 # LITERAL-DAG: literal_only
 # LITERAL-DAG: literal_also
 # LITERAL-DAG: globby_also
+# LITERAL-DAG: singleton
 # LITERAL-NOT: globby_only
 
 ## Check that only glob patterns match
@@ -245,7 +247,7 @@ _keep_lazy:
 
 #--- symdefs.s
 
-.globl literal_only, literal_also, globby_only, globby_also
+.globl literal_only, literal_also, globby_only, globby_also, singleton
 literal_only:
   retq
 literal_also:
@@ -254,6 +256,8 @@ globby_only:
   retq
 globby_also:
   retq
+singleton:
+  retq
 
 #--- literals.txt
 

``````````

</details>


https://github.com/llvm/llvm-project/pull/127243