llvmbot wrote:

<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-lldb

Author: Jonas Devlieghere (JDevlieghere)

<details>
<summary>Changes</summary>

On macOS, we usually use the DebugSymbols framework to find dSYMs, but we have 
a few places (including crashlog.py) that calls out directly to dsymForUUID. 
Currently, this invocation is missing two important options:

  * `--ignoreNegativeCache`: Poor network connectivity or lack of VPN can lead 
to a negative cache hit. Avoiding those issues is worth the penalty of skipping 
these caches.
  * `--copyExecutable`: Ensure we copy the executable as it might not be 
available at its original location.

rdar://118480731

---
Full diff: https://github.com/llvm/llvm-project/pull/72669.diff


1 Files Affected:

- (modified) lldb/examples/python/crashlog.py (+5-1) 


``````````diff
diff --git a/lldb/examples/python/crashlog.py b/lldb/examples/python/crashlog.py
index cb8008419404c23..9e4f94264037aea 100755
--- a/lldb/examples/python/crashlog.py
+++ b/lldb/examples/python/crashlog.py
@@ -356,7 +356,11 @@ def locate_module_and_debug_symbols(self):
             # Keep track of unresolved source paths.
             unavailable_source_paths = set()
             if os.path.exists(self.dsymForUUIDBinary):
-                dsym_for_uuid_command = "%s %s" % (self.dsymForUUIDBinary, 
uuid_str)
+                dsym_for_uuid_command = (
+                    "{} --copyExecutable --ignoreNegativeCache {}".format(
+                        self.dsymForUUIDBinary, uuid_str
+                    )
+                )
                 s = subprocess.check_output(dsym_for_uuid_command, shell=True)
                 if s:
                     try:

``````````

</details>


https://github.com/llvm/llvm-project/pull/72669
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