[pdb] Fix issues with pdb writing.
This fixes an alignment issue by forcing all cached allocations
to be 8 byte aligned, and also fixes an issue arising on big
endian systems by writing ulittle32_t's instead of uint32_t's
in the test.
llvm-svn: 272437
diff --git a/llvm/lib/DebugInfo/PDB/Raw/MappedBlockStream.cpp b/llvm/lib/DebugInfo/PDB/Raw/MappedBlockStream.cpp
index 86e799c..36f8ead0 100644
--- a/llvm/lib/DebugInfo/PDB/Raw/MappedBlockStream.cpp
+++ b/llvm/lib/DebugInfo/PDB/Raw/MappedBlockStream.cpp
@@ -104,7 +104,7 @@
// into it, and return an ArrayRef to that. Do not touch existing pool
// allocations, as existing clients may be holding a pointer which must
// not be invalidated.
- uint8_t *WriteBuffer = Pool.Allocate<uint8_t>(Size);
+ uint8_t *WriteBuffer = static_cast<uint8_t *>(Pool.Allocate(Size, 8));
if (auto EC = readBytes(Offset, MutableArrayRef<uint8_t>(WriteBuffer, Size)))
return EC;