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[wasm] [JIT] Contain Array Data Offsets #135146

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Merged
adamperlin merged 1 commit into from
Oct 20, 2026
Merged

[wasm] [JIT] Contain Array Data Offsets #135146

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3 changes: 3 additions & 0 deletions src/coreclr/jit/morph.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -3118,6 +3118,9 @@ GenTree* Compiler::fgMorphIndexAddr(GenTreeIndexAddr* indexAddr)
{
groupArrayRefWithIndex = false;
}
#elif defined(TARGET_WASM)
// Keep the constant offset outermost so it can fold into the memory instruction's memarg.
groupArrayRefWithIndex = varTypeIsGC(arrRef) && !varTypeIsStruct(elemTyp);
#endif

// Note the array reference may now be TYP_I_IMPL, TYP_BYREF, or TYP_REF
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