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[wasm-split] Change placeholder namespace in fuzz_shell.js #7989

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Oct 23, 2025
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[wasm-split] Change placeholder namespace in fuzz_shell.js #7989

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11 changes: 7 additions & 4 deletions scripts/fuzz_shell.js
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Original file line number Diff line number Diff line change
Expand Up @@ -414,11 +414,14 @@ function wrapExportForJSPI(value) {
return value;
}

// If a second binary will be linked in then set up the imports for
// placeholders. Any import like (import "placeholder" "0" (func .. will be
// provided by the secondary module, and must be called using an indirection.
// If we are fuzzing a split module, a secondary binary will have imports for
// placeholders, whose module name defaults to 'placeholder.deferred' for the
// two-module split. Any import like
// (import "placeholder.deferred" "0" (func ..))
// will be provided by the secondary module, and must be called using an
// indirection.
if (secondBinary) {
imports['placeholder'] = new Proxy({}, {
imports['placeholder.deferred'] = new Proxy({}, {
get(target, prop, receiver) {
// Return a function that throws. We could do an indirect call using the
// exported table, but as we immediately link in the secondary module,
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