Stack unwinding seems limited to a single frame
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I'm trying to switch from https://github.com/google/glog to abseil for `InstallFailureSignalHandler`. With the former I was getting a full stack. With `absl::InstallFailureSignalHandler({});` I'm getting a terse:
```
*** SIGSEGV received at time=1667849759 on cpu 5 ***
PC: @ 0xfb3fa9 (unknown) (anonymous namespace)::inducedFailure()
[1] 33171 segmentation fault (core dumped)
```
This is with abseil 20220623.1, when I used 20210324.1 I was getting more honest diagnostics containing
```
@ ... and at least 1 more frames
```
I looked at the options in `FailureSignalHandlerOptions`, none of them seem applicable. Is full stack trace on failure possible with Abseil?
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