Index: lib/ExecutionEngine/IntelJITEvents/IntelJITEventListener.cpp
===================================================================
--- lib/ExecutionEngine/IntelJITEvents/IntelJITEventListener.cpp
+++ lib/ExecutionEngine/IntelJITEvents/IntelJITEventListener.cpp
@@ -141,6 +141,15 @@
     uint64_t Addr = *AddrOrErr;
     uint64_t Size = P.second;
 
+    auto SecOrErr = Sym.getSection();
+    if (!SecOrErr) {
+      // TODO: Actually report errors helpfully.
+      consumeError(SecOrErr.takeError());
+      continue;
+    }
+    object::section_iterator Sec = *SecOrErr;
+    uint64_t Index = Sec->getIndex();
+
     // Record this address in a local vector
     Functions.push_back((void*)Addr);
 
@@ -149,7 +158,8 @@
       FunctionDescToIntelJITFormat(*Wrapper, Name->data(), Addr, Size);
     // TODO: it is neccessary to set proper SectionIndex here.
     // object::SectionedAddress::UndefSection works for only absolute addresses.
-    DILineInfoTable Lines = Context->getLineInfoForAddressRange({Addr, object::SectionedAddress::UndefSection}, Size);
+    DILineInfoTable Lines =
+      Context->getLineInfoForAddressRange({Addr, Index}, Size);
     DILineInfoTable::iterator Begin = Lines.begin();
     DILineInfoTable::iterator End = Lines.end();
     for (DILineInfoTable::iterator It = Begin; It != End; ++It) {