deps: bump github.com/wasilibs/go-re2 from 1.10.0 to 1.12.0

[dependabot]

Bumps github.com/wasilibs/go-re2 from 1.10.0 to 1.12.0.

Release notes

Sourced from github.com/wasilibs/go-re2's releases.

v1.12.0

This is a big release - the default backend has been switched from wazero to wasm2go, which has been available for preview since 1.11.0. Thanks to help from @​ncruces, wasm2go has gotten even faster and now we see it beat wazero in almost all benchmark cases (just 1 exception in compiling a pathological expression where it's a little slower). It is also using less memory and should have improved concurrency, and with less reliance on Go internals, it should have less issues on new Go version releases than we have seen in the past. re2_wazero build tag is preserved for now if you need to fallback - and please file an issue if you do! In a future version it will be retired.

This release also retires support for TinyGo via build tags - if you still use this with TinyGo, it is recommended to pin to an older version.

Full Changelog: wasilibs/go-re2@v1.11.0...v1.12.0

v1.11.0

It has been some time since a release. There haven't been any upstream re2 release, wazero is mostly complete at least for the Wasm features we use, and otherwise the API here is stable so there hasn't been much to do. However recently there has been a major development - @​ncruces has developed wasm2go, a compiler from Wasm directly to Go code. This means instead of wazero's built in compiler which generates machine code from Wasm on the fly, we get to compile the re2 logic directly into a binary using the Go compiler. This should ensure better platform support for go-re2.

The wasm2go backend can be enabled by building with the build tag re2_wasm2go. Note that currently we see about 10-20% slowdown compared to wazero on the most difficult benchmark cases (@​mathetake's wazero compiler is competitive against the Go compiler!) - on the flip side, the overhead for small expressions / inputs that we saw vs the stdlib is reduced. For normal workloads, we expect the performance to be quite similar to the wazero backend - because of the simpler architecture a standard Go source file provides, we will probably replace the default with wasm2go in the future.

If you can, give re2_wasm2go a try and see how it works for you! The feature is fresh off the oven so there may be issues, in particular we could use data on CPU and memory performance with real world workloads.

Full Changelog: wasilibs/go-re2@v1.10.0...v1.11.0

Commits

• 35b35ec Remove remaining tinygo references (#252)
• edc64fc Switch default backend to wasm2go (#251)
• 4482bc1 Update module github.com/curioswitch/go-build to v0.8.1 (#250)
• 6cb9ea4 Update curioswitch/go-build action to v0.8.1 (#249)
• 86b24c9 Reduce stack size for wasm2go (#248)
• a986698 Disable race detector for exhaustive test like Go (#247)
• 5a1b67d Raise test timeout
• ec9272b Update module github.com/curioswitch/go-build to v0.7.4 (#244)
• a42ba24 Update to latest wasm2go (#246)
• a435f6d Update cross-platform-actions/action action to v1.3.0 (#245)
• Additional commits viewable in compare view

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[dependabot]

Looks like github.com/wasilibs/go-re2 is no longer a dependency, so this is no longer needed.