jitlayers: replace sharedbytes intern pool with one that respects alignment #52182
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…gnment
The llvm optimizations may increase alignment beyond the initial
MAX_ALIGN. This pool's alignment was previously only
`sizeof(struct { atomic<int> RefCount; size_t Length; char Data[]; })`
however, potentially resulting in segfaults at runtime.
Fixes #52118
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Needs a manual backport to 1.10. @vtjnash |
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…gnment (#52182) The llvm optimizations may increase alignment beyond the initial MAX_ALIGN. This pool's alignment was previously only `sizeof(struct { atomic<int> RefCount; size_t Length; char Data[]; })` however, potentially resulting in segfaults at runtime. Fixes #52118. Should make CI much happier. (cherry picked from commit a65bc9a)
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Done and pushed to backports-release-1.10 |
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Backported PRs: - [x] #51213 <!-- Wait for other threads to finish compiling before exiting --> - [x] #51520 <!-- Make allocopt respect the GC verifier rules with non usual address spaces --> - [x] #51598 <!-- Use a simple error when reporting sysimg load failures. --> - [x] #51757 <!-- fix parallel peakflop usage --> - [x] #51781 <!-- Don't make pkgimages global editable --> - [x] #51848 <!-- allow finalizers to take any locks and yield during exit --> - [x] #51847 <!-- add missing wait during Timer and AsyncCondition close --> - [x] #50824 <!-- Add some aliasing warnings to docstrings for mutating functions in Base --> - [x] #51885 <!-- remove chmodding the pkgimages --> - [x] #50207 <!-- [devdocs] Improve documentation about building external forks of LLVM --> - [x] #51967 <!-- further fix to the new promoting method for AbstractDateTime subtraction --> - [x] #51980 <!-- macroexpand: handle const/atomic struct fields correctly --> - [x] #51995 <!-- [Artifacts] Pass artifacts dictionary to `ensure_artifact_installed` dispatch --> - [x] #52098 <!-- Fix errors in `sort` docstring --> - [x] #52136 <!-- Bump JuliaSyntax to 0.4.7 --> - [x] #52140 <!-- Make c func `abspath` consistent on Windows. Fix tracking path conversion. --> - [x] #52009 <!-- fix completion that resulted in startpos of 0 for `\\ --> - [x] #52192 <!-- cap the number of GC threads to number of cpu cores --> - [x] #52206 <!-- Make have_fma consistent between interpreter and compiled --> - [x] #52027 <!-- fix Unicode.julia_chartransform for Julia 1.10 --> - [x] #52217 <!-- More helpful error message for empty `cpu_target` in `Base.julia_cmd` --> - [x] #51371 <!-- Memoize `cwstring` when used for env lookup / modification on Windows --> - [x] #52214 <!-- Turn Method Overwritten Error into a PrecompileError -- turning off caching --> - [x] #51895 <!-- Devdocs on fixing precompile hangs, take 2 --> - [x] #51596 <!-- Reland "Don't mark nonlocal symbols as hidden"" --> - [x] #51834 <!-- [REPLCompletions] allow symbol completions within incomplete macrocall expression --> - [x] #52010 <!-- Revert "Support sorting iterators (#46104)" --> - [x] #51430 <!-- add support for async backtraces of Tasks on any thread --> - [x] #51471 <!-- Fix segfault if root task is NULL --> - [x] #52194 <!-- Fix multiversioning issues caused by the parallel llvm work --> - [x] #51035 <!-- refactor GC scanning code to reflect jl_binding_t are now first class --> - [x] #52030 <!-- Bump Statistics --> - [x] #52189 <!-- codegen: ensure i1 bool is widened to i8 before storing --> - [x] #52228 <!-- Widen diagonal var during `Type` unwrapping in `instanceof_tfunc` --> - [x] #52182 <!-- jitlayers: replace sharedbytes intern pool with one that respects alignment --> Contains multiple commits, manual intervention needed: - [ ] #51092 <!-- inference: fix bad effects for recursion --> Non-merged PRs with backport label: - [ ] #52196 <!-- Fix creating custom log level macros --> - [ ] #52170 <!-- fix invalidations related to `ismutable` --> - [ ] #51479 <!-- prevent code loading from lookin in the versioned environment when building Julia -->
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The llvm optimizations may increase alignment beyond the initial MAX_ALIGN. This pool's alignment was previously only
sizeof(struct { atomic<int> RefCount; size_t Length; char Data[]; })however, potentially resulting in segfaults at runtime.Fixes #52118. Should make CI much happier.