[llvm-pdbutil] Support PDBs without a DBI stream
Differential Revision: https://reviews.llvm.org/D50258
llvm-svn: 339045
diff --git a/llvm/tools/llvm-pdbutil/InputFile.cpp b/llvm/tools/llvm-pdbutil/InputFile.cpp
index 7b5af7e..b201964 100644
--- a/llvm/tools/llvm-pdbutil/InputFile.cpp
+++ b/llvm/tools/llvm-pdbutil/InputFile.cpp
@@ -41,6 +41,10 @@
auto &Dbi = Err(File.getPDBDbiStream());
const auto &Modules = Dbi.modules();
+ if (Index >= Modules.getModuleCount())
+ return make_error<RawError>(raw_error_code::index_out_of_bounds,
+ "Invalid module index");
+
auto Modi = Modules.getModuleDescriptor(Index);
ModuleName = Modi.getModuleName();