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Avoid cloning a jump argument vector to the heap.

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Dan Gohman
2017-09-01 10:16:30 -07:00
parent 28779dc7e4
commit 9d2fbdae62
1 changed files with 1 additions and 1 deletions
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2
lib/wasm/src/code_translator.rs
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@@ -562,7 +562,7 @@ fn translate_operator(
let default_ebb = control_stack[control_stack.len() - 1 - (default as usize)] let default_ebb = control_stack[control_stack.len() - 1 - (default as usize)]
.br_destination(); .br_destination();
builder.ins().jump(default_ebb, jump_args.as_slice()); builder.ins().jump(default_ebb, jump_args.as_slice());
stack.extend(jump_args.clone()); stack.extend_from_slice(&jump_args);
for (depth, dest_ebb) in dest_ebbs { for (depth, dest_ebb) in dest_ebbs {
builder.switch_to_block(dest_ebb, &[]); builder.switch_to_block(dest_ebb, &[]);
builder.seal_block(dest_ebb); builder.seal_block(dest_ebb);