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LibJS/JIT: Don't crash when dissassembling an empty basic block

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This commit is contained in:
Andreas Kling 2023-11-06 15:23:05 +01:00
parent e1e7e696ac
commit 7826c006c1
1 changed files with 5 additions and 3 deletions
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8
Userland/Libraries/LibJS/JIT/NativeExecutable.cpp
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@ -118,9 +118,11 @@ void NativeExecutable::dump_disassembly([[maybe_unused]] Bytecode::Executable co
if (mapping->bytecode_offset == 0)
dbgln("\nBlock {}:", mapping->block_index + 1);
VERIFY(mapping->bytecode_offset < block.size());
auto const& instruction = *reinterpret_cast<Bytecode::Instruction const*>(block.data() + mapping->bytecode_offset);
dbgln("{}:{:x} {}:", mapping->block_index + 1, mapping->bytecode_offset, instruction.to_deprecated_string(executable));
if (block.size() != 0) {
VERIFY(mapping->bytecode_offset < block.size());
auto const& instruction = *reinterpret_cast<Bytecode::Instruction const*>(block.data() + mapping->bytecode_offset);
dbgln("{}:{:x} {}:", mapping->block_index + 1, mapping->bytecode_offset, instruction.to_deprecated_string(executable));
}
}
}