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BitcodeReader: parse blockinfo inside block

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Call start/endBlock before/after `parseBlockInfoBlock` in order to not
use the current block context, which is wrong and leads to e.g. incorrect
abbrevlen being used.
This commit is contained in:
Luna Schwalbe 2025-08-27 19:09:05 +02:00 • committed by Andrew Kelley
parent ae518dcb41
commit 9649ff37ef
1 changed files with 5 additions and 1 deletions
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6
lib/std/zig/llvm/BitcodeReader.zig
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@ -154,7 +154,11 @@ pub fn next(bc: *BitcodeReader) !?Item {
Abbrev.Builtin.enter_subblock.toRecordId() => {
const block_id: u32 = @intCast(record.operands[0]);
switch (block_id) {
Block.block_info => try bc.parseBlockInfoBlock(),
Block.block_info => {
try bc.startBlock(Block.block_info, @intCast(record.operands[1]));
try bc.parseBlockInfoBlock();
try bc.endBlock();
},
Block.first_reserved...Block.last_standard => return error.UnsupportedBlockId,
else => {
try bc.startBlock(block_id, @intCast(record.operands[1]));