commit bf82e99691c890d00de0d411326bc4a592e15eb0
author Gerolf Hoflehner <ghoflehner@apple.com> Mon Feb 12 07:19:05 2018 +0000
committer Gerolf Hoflehner <ghoflehner@apple.com> Mon Feb 12 07:19:05 2018 +0000
tree d2c8d6a1a2270229d6cb2cc5e5a2369efb9320ed
parent b57ca09e432345d593356a299fa7d91452b1c09c

[MC] Issue error message when data region is not terminated

llvm-svn: 324868

llvm/lib/MC/MachObjectWriter.cpp

diff --git a/llvm/lib/MC/MachObjectWriter.cpp b/llvm/lib/MC/MachObjectWriter.cpp
index c7eaa76..25f451c 100644
--- a/llvm/lib/MC/MachObjectWriter.cpp
+++ b/llvm/lib/MC/MachObjectWriter.cpp
@@ -945,7 +945,13 @@
          it != ie; ++it) {
     const DataRegionData *Data = &(*it);
     uint64_t Start = getSymbolAddress(*Data->Start, Layout);
-    uint64_t End = getSymbolAddress(*Data->End, Layout);
+    uint64_t End;
+    if (Data->End) 
+      End = getSymbolAddress(*Data->End, Layout);
+    else
+      report_fatal_error("Data region not terminated");
+
+
     DEBUG(dbgs() << "data in code region-- kind: " << Data->Kind
                  << "  start: " << Start << "(" << Data->Start->getName() << ")"
                  << "  end: " << End << "(" << Data->End->getName() << ")"