WebAssembly / binaryen

Optimizer and compiler/toolchain library for WebAssembly

WebAssembly/binaryen Issues

Bug in recent "OptimizeInstructions: Optimize StructNew/ArrayNew forms"
Closed 3 days ago3
Segmentation fault although no optimization is done
Closed 5 days ago3
CFGWalker with Single-thread failed
Closed 9 days ago4
[Question] Multi-value Return using Tuple
Updated 10 days ago1
wasm-split error without an element segment
Updated 11 days ago
What are the road blocks to using wasm-split multiple times?
Updated 11 days ago5
Run (basic) StackIR optimizations in all binary writes?
Updated 17 days ago2
Unsubtyping fuzz bug
Updated 18 days ago
Dynamic loading of custom passes in wasm-opt
Updated 23 days ago1
wasm-split: WasmBinaryWriter::getDataSegmentIndex assertion related to DataDrop
Closed a month ago1
Support block-type parameters
Updated a month ago2
How to remove no-op exported functions?
Updated a month ago3
WATParser bug when parse implicit type definition
Closed a month ago1
Updating lit tests leaves file in source tree
Closed a month ago
Validator yells at stack-based block
Closed a month ago14
Failed parse for 'attempted pop from empty stack / beyond block start boundary' on non-empty stack
Closed a month ago2
wasm-opt failed when build qt's project use emscripten
Closed a month ago2
Fuzzer bug: infinite hang in V8 execution
Closed a month ago1
How to traverse memory segments and get their data?
Updated a month ago
Asyncify: warn/error when functions match both ADD and REMOVE
Updated a month ago
Fuzz bug: interpretation of `return_call` is not correct.
Closed a month ago16
[Question]: Why we need check lastDebuglocation == loc in writeDebugLocation
Closed a month ago9
[Question] How to do type evaluation in Binaryen?
Updated a month ago1
Output structured data format based on wasm-delegations.def
Updated a month ago1
wasm-opt -O2 seg faults on large binary with many nested if-then-else instructions
Updated 2 months ago1
Fuzz bug with atomic wait
Closed 2 months ago1
Error: failed to run main module when executing WebAssembly module processed with `wasm-opt --remove-memory` in wasm runtime
Closed 2 months ago2
Problem with ModuleReader read in empty module
Closed 2 months ago4
Fuzz bug: missing bounds checks in element segment instantiation
Updated 2 months ago1
Internal UTF / Python error in fuzzer
Closed 2 months ago10
Emitting unreachable for unemittable String instructions can fail due to blocks
Updated 2 months ago2
How to debug Binaryen with Windows and Visual Studio ?
Closed 2 months ago3
Keep unused types
Closed 2 months ago2
Impossible address ranges in DWARF debug info
Updated 2 months ago1
wasm-opt assertion failure at src/passes/OptimizeAddedConstants.cpp:289
Closed 2 months ago2
wasm-opt: "compile unit size was incorrect"
Updated 2 months ago1
Questions Related to Preserving Data Segments in BinaryenSetMemory C API
Closed 3 months ago6
availability of version 116 via apt-get on Ubuntu
Closed 3 months ago2
Add aarch64 build to releases
Closed 3 months ago20
wasm-opt wasm port performance
Updated 3 months ago3
Unknown option '-0z' ; Optimization levels are unknown options
Closed 3 months ago1
[feature requeset] wasm-merge outputs js glue code.
Closed 3 months ago8
[Unit tests] ReferenceError: require is not defined in ES module scope
Closed 3 months ago8
[EH] --translate-to-new-eh "invalid delegate"
Updated 3 months ago2
API inconsistency with data segments
Closed 4 months ago8
Simplify MemoryPacking output when traps never happen
Updated 4 months ago
Unable to run compiled WasmGC in Chrome
Closed 4 months ago2
Questions Related to the "Abnormal" Memory Usage of Binaryen
Updated 4 months ago11
MemoryPacking: Removing empty segments can remove a trap
Closed 4 months ago1
Incorrect validation of `br_on_cast` and type difference computation
Updated 4 months ago2