commit 145090f124039a3f02819030d762f1d74d2cba1b
author Reid Kleckner <rnk@google.com> Fri Oct 27 00:45:51 2017 +0000
committer Reid Kleckner <rnk@google.com> Fri Oct 27 00:45:51 2017 +0000
tree 4fd7b50f3251a693df2e1c7667dec6c75c58ab38
parent 32bcb5d7fb43a4c1c81632441ec5271d94d0caf2

[PDB] Handle an empty globals hash table with no buckets

llvm-svn: 316722

llvm/tools/llvm-pdbutil/DumpOutputStyle.cpp

diff --git a/llvm/tools/llvm-pdbutil/DumpOutputStyle.cpp b/llvm/tools/llvm-pdbutil/DumpOutputStyle.cpp
index 8a4d21b..5b02d68 100644
--- a/llvm/tools/llvm-pdbutil/DumpOutputStyle.cpp
+++ b/llvm/tools/llvm-pdbutil/DumpOutputStyle.cpp
@@ -639,9 +639,11 @@
     }
 
     auto &SymbolRecords = cantFail(getPdb().getPDBSymbolStream());
-    auto &Globals = cantFail(getPdb().getPDBGlobalsStream());
+    auto ExpGlobals = getPdb().getPDBGlobalsStream();
+    if (!ExpGlobals)
+      return ExpGlobals.takeError();
 
-    for (uint32_t PubSymOff : Globals.getGlobalsTable()) {
+    for (uint32_t PubSymOff : ExpGlobals->getGlobalsTable()) {
       CVSymbol Sym = SymbolRecords.readRecord(PubSymOff);
       HandleOneSymbol(Sym);
     }