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  • Cheng Shao's avatar
    4e0b5bfa
    ghc-heap: fix HalfWord incompatible Binary instances for cross GHC · 4e0b5bfa
    Cheng Shao authored 
    ghc-heap defines HalfWord as Word32/Word16 depending on host word
size. For cross GHC with different host/target word sizes, the Binary
instances are incompatible and breaks iserv serialization of any
message type that involves HalfWord, breaking the ghci debugger. This
patch fixes the issue and has been tested to fix ghci debugger
functionality of the wasm backend. Fixes #25420 #25781.

(cherry picked from commit b228fcb5)
    4e0b5bfa
    History
    ghc-heap: fix HalfWord incompatible Binary instances for cross GHC
    Cheng Shao authored 
    ghc-heap defines HalfWord as Word32/Word16 depending on host word
size. For cross GHC with different host/target word sizes, the Binary
instances are incompatible and breaks iserv serialization of any
message type that involves HalfWord, breaking the ghci debugger. This
patch fixes the issue and has been tested to fix ghci debugger
functionality of the wasm backend. Fixes #25420 #25781.

(cherry picked from commit b228fcb5)
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