Problemsby GlyphOracle upgrades break working setups
4 posts from 4 people3d activeSteady, +1 this week
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The posts behind it
[GR-81247] JIT miscompiles a Vector API loop (wrong results)
...on my pet project, [JSol'Ex](https://github.com/melix/astro4j), when tests started failing on CI after upgrading from GraalVM 25.0 to 25.4: image alignment and stacking produced garbage, but only on the Windows runner. I could reproduce locally with `-XX:UseAVX=2`, and traced it...
[Native Image] How is an instrumented shared library (--shared --pgo-instrument) meant to write its profile? No default.iprof after teardown or System.exit
I build a small shared library with Oracle GraalVM 25.0.4+7.1 (GFTC), `native-image --shared --pgo-instrument` (build log: `optimization level: 2, target machine: x86-64-v3, PGO: sampling+instrument`), and call it from a C program through the generated header. I expected a...
[Truffle] Bytecode DSL: an operation with @ReportPolymorphism generates code that doesn't compile since 25.1 ($bc/$bci not in scope in checkForPolymorphicSpecialize)
...uses `@ReportPolymorphism`, so this looks unintended. The only workaround I found is to exclude the operation from reporting (`@ReportPolymorphism.Exclude` on a proxied subclass), which means the operation never triggers splitting of its bytecode root. **Code snippet or code...
Crash in `AggregateFunctionFactory::tryGetProperties` with `sumNull` and
### Describe what's wrong - On the supported 26.3 LTS branch, `SELECT sumNull(number) FROM numbers(3) SETTINGS aggregate_functions_null_for_empty = 1` aborts the server. `QueryAnalyzer::rewriteAggregateFunctionNameIfNeeded` dereferences the empty `std::optional` that...
Companies and products named
About this problem
Evidence
4 posts from 4 people in 2 places, about 1 a week over 43 days. Mostly on oracle/graal, ClickHouse/ClickHouse. Tools named alongside: ClickHouse, GitHub Actions, GitHub.
Frustration Frustration 2 of 3· Seen on GitHub issues
How it was grouped
Posts that state a pain and match the "breaking-changes" rule about Oracle. First post Sep 22, 2026, latest Nov 3, 2026. Corroborated: 3 or more posts from 2 or more people or places. Method
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