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LibJS: Don't try to merge unterminated BasicBlocks

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This was causing a Segfault, trying to access the non-present terminator
This commit is contained in:
Hendiadyoin1 2023-02-21 21:38:30 +01:00 • committed by Linus Groh
parent 1c8adac442
commit 5506951ffb
1 changed files with 3 additions and 0 deletions
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3
Userland/Libraries/LibJS/Bytecode/Pass/MergeBlocks.cpp
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@ -30,6 +30,9 @@ void MergeBlocks::perform(PassPipelineExecutable& executable)
if (executable.exported_blocks->contains(*entry.value.begin()))
continue;
if (!entry.key->is_terminated())
continue;
if (entry.key->terminator()->type() != Instruction::Type::Jump)
continue;