RPCS3/archived-llvm
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm.git synced 2026-01-31 01:25:19 +01:00
Code Issues Packages Projects Releases Wiki Activity

Make BitcodeReader::parseIdentificationBlock() robust to EOF

Browse Source 
This method is particular: it iterates at the top-level and does
not have an enclosing block.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@286394 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Mehdi Amini
2016-11-09 21:26:49 +00:00
parent faf81d7b4b
commit d964c86571
1 changed files with 6 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
lib/Bitcode/Reader/BitcodeReader.cpp
View File

@@ -4347,6 +4347,12 @@ Expected<std::string> BitcodeReader::parseIdentificationBlock() {
// We expect a number of well-defined blocks, though we don't necessarily
// need to understand them all.
while (true) {
// This loop iterates at the top-level: since there is no enclosing block
// we need to make sure we aren't at the end of the stream before calling
// advance, otherwise we'll get an error.
if (Stream.AtEndOfStream())
return Error::success();
BitstreamEntry Entry = Stream.advance();
switch (Entry.Kind) {
case BitstreamEntry::Error: