[DebugInfo] Adjusting DWARF version to fix a test failure in aix-ppc64 pipeline

[laxmansole]

Test added in #165023 had DWARF V5 but for the targets that uses XCOFF, some sections of DWARF v5 are not initialized.

[llvmbot]

@llvm/pr-subscribers-debuginfo

Author: Laxman Sole (laxmansole)

Changes

Test has DWARF V5 but for the targets that uses XCOFF, some sections of DWARF v5 are not initialized.

---

Full diff: https://github.com/llvm/llvm-project/pull/167019.diff

1 Files Affected:

• (modified) llvm/test/DebugInfo/extradata-node-reference.ll (+1-1)

diff --git a/llvm/test/DebugInfo/extradata-node-reference.ll b/llvm/test/DebugInfo/extradata-node-reference.ll
index 0ec93120faba4..188175617b244 100644
--- a/llvm/test/DebugInfo/extradata-node-reference.ll
+++ b/llvm/test/DebugInfo/extradata-node-reference.ll
@@ -29,7 +29,7 @@
 !1 = !DIFile(filename: "test.cpp", directory: ".")
 !2 = !{i32 2, !"Debug Info Version", i32 3}
 !3 = !{i32 1, !"wchar_size", i32 4}
-!4 = !{i32 2, !"Dwarf Version", i32 5}
+!4 = !{i32 2, !"Dwarf Version", i32 4}
 !8 = !{!9, !16, !24, !35}
 
 ; extraData node definitions

[laxmansole]

CC: @enferex @ayermolo @OCHyams @dzhidzhoev

[llvm-ci]

LLVM Buildbot has detected a new failure on builder openmp-s390x-linux running on systemz-1 while building llvm at step 6 "test-openmp".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/88/builds/17941

Here is the relevant piece of the build log for the reference

Step 6 (test-openmp) failure: test (failure)
******************** TEST 'libomp :: tasking/issue-94260-2.c' FAILED ********************
Exit Code: -11

Command Output (stdout):
--
# RUN: at line 1
/home/uweigand/sandbox/buildbot/openmp-s390x-linux/llvm.build/./bin/clang -fopenmp   -I /home/uweigand/sandbox/buildbot/openmp-s390x-linux/llvm.build/runtimes/runtimes-bins/openmp/runtime/src -I /home/uweigand/sandbox/buildbot/openmp-s390x-linux/llvm.src/openmp/runtime/test -L /home/uweigand/sandbox/buildbot/openmp-s390x-linux/llvm.build/runtimes/runtimes-bins/openmp/runtime/src  -fno-omit-frame-pointer -mbackchain -I /home/uweigand/sandbox/buildbot/openmp-s390x-linux/llvm.src/openmp/runtime/test/ompt /home/uweigand/sandbox/buildbot/openmp-s390x-linux/llvm.src/openmp/runtime/test/tasking/issue-94260-2.c -o /home/uweigand/sandbox/buildbot/openmp-s390x-linux/llvm.build/runtimes/runtimes-bins/openmp/runtime/test/tasking/Output/issue-94260-2.c.tmp -lm -latomic && /home/uweigand/sandbox/buildbot/openmp-s390x-linux/llvm.build/runtimes/runtimes-bins/openmp/runtime/test/tasking/Output/issue-94260-2.c.tmp
# executed command: /home/uweigand/sandbox/buildbot/openmp-s390x-linux/llvm.build/./bin/clang -fopenmp -I /home/uweigand/sandbox/buildbot/openmp-s390x-linux/llvm.build/runtimes/runtimes-bins/openmp/runtime/src -I /home/uweigand/sandbox/buildbot/openmp-s390x-linux/llvm.src/openmp/runtime/test -L /home/uweigand/sandbox/buildbot/openmp-s390x-linux/llvm.build/runtimes/runtimes-bins/openmp/runtime/src -fno-omit-frame-pointer -mbackchain -I /home/uweigand/sandbox/buildbot/openmp-s390x-linux/llvm.src/openmp/runtime/test/ompt /home/uweigand/sandbox/buildbot/openmp-s390x-linux/llvm.src/openmp/runtime/test/tasking/issue-94260-2.c -o /home/uweigand/sandbox/buildbot/openmp-s390x-linux/llvm.build/runtimes/runtimes-bins/openmp/runtime/test/tasking/Output/issue-94260-2.c.tmp -lm -latomic
# executed command: /home/uweigand/sandbox/buildbot/openmp-s390x-linux/llvm.build/runtimes/runtimes-bins/openmp/runtime/test/tasking/Output/issue-94260-2.c.tmp
# note: command had no output on stdout or stderr
# error: command failed with exit status: -11

--

********************

[laxmansole]

Thanks @ayermolo for the quick review and help with merge.