[llvm] [llvm-gsymutil] Fix flaky test (PR #123814)

[Ellis Hoag via llvm-commits]

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@@ -78,12 +80,12 @@
 
 # RUN: llvm-gsymutil %t/dwarf_call_sites_dSYM.gsym --merged-functions --address=0x000000010000035c --merged-functions-filter="function3_copy2" | FileCheck --check-prefix=CHECK-C6 %s
 # CHECK-C6:       Found 1 function at address 0x000000010000035c:
-# CHECK-C6-NEXT:     0x000000010000035c: function3_copy2 + 16 @ /tmp/tst{{[/\\]}}out/merged_funcs_test.cpp:28
+# CHECK-C6-NEXT:     0x000000010000035c: function3_copy2 + 16 @ /tmp/tst{{[/\\]}}out/merged_funcs_test.cpp:{{.}}
 # CHECK-C6-NEXT:        CallSites: function4_copy2
 
 # RUN: llvm-gsymutil %t/dwarf_call_sites_dSYM.gsym --merged-functions --merged-functions-filter="function4_copy2" --address=0x0000000100000340 | FileCheck --check-prefix=CHECK-C7 %s
 # CHECK-C7:       Found 1 function at address 0x0000000100000340:
-# CHECK-C7-NEXT:     0x0000000100000340: function4_copy2 + 8 @ /tmp/tst{{[/\\]}}out/merged_funcs_test.cpp:14
+# CHECK-C7-NEXT:     0x0000000100000340: function4_copy2 + 8 @ /tmp/tst{{[/\\]}}out/merged_funcs_test.cpp:{{.}}
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ellishg wrote:

Hopefully we can eventually use `[[#@LINE+N]]` and `--leading-lines` to test these line numbers. Also, where does the `/tmp/tst` file path prefix come from?

https://llvm.org/docs/TestingGuide.html#extra-files

https://github.com/llvm/llvm-project/pull/123814