[3.14] gh-145037: Fix Emscripten trampoline with emcc >= 4.0.19 (GH-145038)#145283
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freakboy3742 merged 1 commit intopython:3.14from Feb 27, 2026
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…nGH-145038) This undoes a change made as a part of PR 137470, for compatibility with EMSDK 4.0.19. It adds `emscripten_trampoline` field in `pycore_runtime_structs.h` and initializes it from JS initialization code with the wasm-gc based trampoline if possible. Otherwise we fall back to the JS trampoline. (cherry picked from commit 43fdb70) Co-authored-by: Hood Chatham <roberthoodchatham@gmail.com>
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🤖 New build scheduled with the buildbot fleet by @freakboy3742 for commit 280dcd6 🤖 Results will be shown at: https://buildbot.python.org/all/#/grid?branch=refs%2Fpull%2F145283%2Fmerge The command will test the builders whose names match following regular expression: The builders matched are:
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This undoes a change made as a part of PR 137470, for compatibility with EMSDK
4.0.19. It adds
emscripten_trampolinefield inpycore_runtime_structs.hand initializes it from JS initialization code with the wasm-gc based trampoline
if possible. Otherwise we fall back to the JS trampoline.
(cherry picked from commit 43fdb70)
Co-authored-by: Hood Chatham roberthoodchatham@gmail.com