[clang] [clang][Module] Mark test unsupported since objc doesn't have xcoff/g… (PR #70661)

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llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang

Author: Jake Egan (jakeegan)

<details>
<summary>Changes</summary>

…off support

Same as D135848. The newly added test fails with `fatal error: error in backend: Objective-C support is unimplemented for object file format`. 

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Full diff: https://github.com/llvm/llvm-project/pull/70661.diff


1 Files Affected:

- (modified) clang/test/Modules/relative-resource-dir.m (+1) 


``````````diff
diff --git a/clang/test/Modules/relative-resource-dir.m b/clang/test/Modules/relative-resource-dir.m
index 2efc61259fd7891..e0d1b6d221d109a 100644
--- a/clang/test/Modules/relative-resource-dir.m
+++ b/clang/test/Modules/relative-resource-dir.m
@@ -1,3 +1,4 @@
+// UNSUPPORTED: -zos, -aix
 // REQUIRES: shell
 
 // RUN: EXPECTED_RESOURCE_DIR=`%clang -print-resource-dir` && \

``````````

</details>


https://github.com/llvm/llvm-project/pull/70661