[clang] [DTLTO][TEST] Get the DTLTO Clang driver tests failing on some buildbots to pass (PR #159158)

via cfe-commits cfe-commits at lists.llvm.org
Tue Sep 16 12:51:51 PDT 2025


llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang-driver

Author: bd1976bris (bd1976bris)

<details>
<summary>Changes</summary>

Make the test regexes more permissive to fix buildbot failures caused by the merge of PR https://github.com/llvm/llvm-project/pull/159129. This is the same fix as applied in: https://github.com/llvm/llvm-project/pull/148908. We retain cross-platform-test coverage to check that the path content is correct.

In a subsequent commit I will make the tests more robust, perhaps along the lines of:  PR #<!-- -->159151.

This is a short term fix to get the build bot green without having to revert a trail of commits.

---
Full diff: https://github.com/llvm/llvm-project/pull/159158.diff


2 Files Affected:

- (modified) clang/test/Driver/DTLTO/dtlto.c (+1-1) 
- (modified) clang/test/Driver/DTLTO/ps5-dtlto.c (+1-1) 


``````````diff
diff --git a/clang/test/Driver/DTLTO/dtlto.c b/clang/test/Driver/DTLTO/dtlto.c
index 96795d9a4e6a4..bb1bd4ace0487 100644
--- a/clang/test/Driver/DTLTO/dtlto.c
+++ b/clang/test/Driver/DTLTO/dtlto.c
@@ -35,7 +35,7 @@
 
 // DEFAULT: ld.lld
 // DEFAULT-SAME: "--thinlto-distributor=d.exe"
-// DEFAULT-SAME: "--thinlto-remote-compiler={{.*}}clang{{[^\"]*}}"
+// DEFAULT-SAME: "--thinlto-remote-compiler={{[^"]+}}"
 
 /// Check that nothing is forwarded when the compiler is not in LTO mode, and that
 /// appropriate unused option warnings are issued.
diff --git a/clang/test/Driver/DTLTO/ps5-dtlto.c b/clang/test/Driver/DTLTO/ps5-dtlto.c
index 9b70c88257a85..a37073b85aa32 100644
--- a/clang/test/Driver/DTLTO/ps5-dtlto.c
+++ b/clang/test/Driver/DTLTO/ps5-dtlto.c
@@ -35,7 +35,7 @@
 
 // DEFAULT: prospero-lld
 // DEFAULT-SAME: "--thinlto-distributor=d.exe"
-// DEFAULT-SAME: "--thinlto-remote-compiler={{.*}}clang{{[^\"]*}}"
+// DEFAULT-SAME: "--thinlto-remote-compiler={{[^"]+}}"
 
 /// Check that the arguments are forwarded unconditionally even when the
 /// compiler is not in LTO mode.

``````````

</details>


https://github.com/llvm/llvm-project/pull/159158


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