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configure: don't sanitize function call types.

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We do this with typesafe_cb and it's so useful I'm not going to remove it.  But clang 18 complains:

```
ccan/ccan/tal/tal.c:246:6: runtime error: call to function destroy_conn_close_fd through pointer to incorrect function type 'void (*)(void *)'
/home/rusty/devel/cvs/lightning/ccan/ccan/io/poll.c:251: note: destroy_conn_close_fd defined here
```

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2024-06-18 12:17:32 +09:30
parent d1d9d7ee6f
commit a43fc91f8f
1 changed files with 1 additions and 1 deletions
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2
configure vendored
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@@ -165,7 +165,7 @@ set_defaults()
fi
fi
if [ "$UBSAN" != 0 ]; then
CSANFLAGS="$CSANFLAGS -fsanitize=undefined -fno-sanitize-recover=undefined"
CSANFLAGS="$CSANFLAGS -fsanitize=undefined -fno-sanitize=function -fno-sanitize-recover=undefined"
fi
if [ "$FUZZING" != 0 ]; then
FUZZFLAGS="-fsanitize=fuzzer-no-link -DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION"