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CI: disable -O2 for Coverity after v9.1.0429

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gcc -O2 outputs this warning and turns it into an error when running
Coverity action:

```
eval.c: In function ‘echo_string_core’:
cc1: warning: function may return address of local variable [-Wreturn-local-addr]
eval.c:6495:12: note: declared here
 6495 |     char_u buf[MAX_FUNC_NAME_LEN];
      |            ^~~
```

This seems to be a false positive, so disable -O2 for Coverity
specifically.

Signed-off-by: Christian Brabandt <cb@256bit.org>
This commit is contained in:
Christian Brabandt
2024-05-22 07:53:23 +02:00
parent 62ccaa60d5
commit 95ff39f8e3
1 changed files with 3 additions and 0 deletions
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3
.github/workflows/coverity.yml vendored
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@ -63,6 +63,9 @@ jobs:
# Append various warning flags to CFLAGS.
sed -i -f ci/config.mk.sed src/auto/config.mk
sed -i -f ci/config.mk.${CC}.sed src/auto/config.mk
# -O2 gives false warning and turns it into an error:
# warning: function may return address of local variable [-Wreturn-local-addr]
sed -i 's/-O2 \?//' src/auto/config.mk
- name: Build/scan vim
if: env.TOKEN