[llvm-pdbutil] Don't crash when a section contrib's isect is invalid.
llvm-svn: 310298
diff --git a/llvm/tools/llvm-pdbutil/DumpOutputStyle.cpp b/llvm/tools/llvm-pdbutil/DumpOutputStyle.cpp
index 60e0b75..99dd358 100644
--- a/llvm/tools/llvm-pdbutil/DumpOutputStyle.cpp
+++ b/llvm/tools/llvm-pdbutil/DumpOutputStyle.cpp
@@ -1180,8 +1180,12 @@
}
void visit(const SectionContrib &SC) override {
assert(SC.ISect > 0);
- StringRef SectionName = Names[SC.ISect - 1];
- std::string NameInsert = formatv("[{0}]", SectionName).str();
+ std::string NameInsert;
+ if (SC.ISect < Names.size()) {
+ StringRef SectionName = Names[SC.ISect - 1];
+ NameInsert = formatv("[{0}]", SectionName).str();
+ } else
+ NameInsert = "[???]";
P.formatLine("SC{5} | mod = {2}, {0}, size = {1}, data crc = {3}, reloc "
"crc = {4}",
formatSegmentOffset(SC.ISect, SC.Off), fmtle(SC.Size),