[flang-commits] [flang] [flang] Don't warn on (0., 0.)**(nonzero noninteger) (PR #145179)

[LLVM Continuous Integration via flang-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `premerge-monolithic-linux` running on `premerge-linux-1` while building `flang` at step 7 "test-build-unified-tree-check-all".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/153/builds/36501

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 7 (test-build-unified-tree-check-all) failure: test (failure)
******************** TEST 'Flang :: Semantics/bug1046.f90' FAILED ********************
Exit Code: 1

Command Output (stdout):
--
--- 
+++ 
@@ -1,6 +1,6 @@

actual at 3: INTEGER(4) 0**0 is not defined [-Wfolding-exception]
actual at 5: REAL/COMPLEX 0**0 is not defined [-Wfolding-exception]
actual at 7: invalid argument on power with INTEGER exponent [-Wfolding-exception]
actual at 9: REAL/COMPLEX 0**0 is not defined [-Wfolding-exception]
actual at 11: invalid argument on power with INTEGER exponent [-Wfolding-exception]
actual at 13: REAL/COMPLEX 0**0 is not defined [-Wfolding-exception]
expect at 3: INTEGER(4) 0**0 is not defined
expect at 5: REAL/COMPLEX 0**0 is not defined
expect at 7: invalid argument on power with INTEGER exponent
expect at 9: REAL/COMPLEX 0**0 is not defined
expect at 11: invalid argument on power with INTEGER exponent
expect at 13: REAL/COMPLEX 0**0 is not defined

FAIL

--
Command Output (stderr):
--
"/usr/bin/python3.10" /build/buildbot/premerge-monolithic-linux/llvm-project/flang/test/Semantics/test_errors.py /build/buildbot/premerge-monolithic-linux/llvm-project/flang/test/Semantics/bug1046.f90 /build/buildbot/premerge-monolithic-linux/build/bin/flang -fc1 -pedantic -Werror # RUN: at line 1
+ /usr/bin/python3.10 /build/buildbot/premerge-monolithic-linux/llvm-project/flang/test/Semantics/test_errors.py /build/buildbot/premerge-monolithic-linux/llvm-project/flang/test/Semantics/bug1046.f90 /build/buildbot/premerge-monolithic-linux/build/bin/flang -fc1 -pedantic -Werror

--

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


```

</details>

https://github.com/llvm/llvm-project/pull/145179