Assert that DIEEntries are constructed with non-null DIEs
This just brings a crash a little further forward from DWARF emission to
DIE construction to make errors easier to diagnose.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181748 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/DIE.h b/lib/CodeGen/AsmPrinter/DIE.h
index 3c06001..d8fa1f5 100644
--- a/lib/CodeGen/AsmPrinter/DIE.h
+++ b/lib/CodeGen/AsmPrinter/DIE.h
@@ -325,7 +325,9 @@
class DIEEntry : public DIEValue {
DIE *const Entry;
public:
- explicit DIEEntry(DIE *E) : DIEValue(isEntry), Entry(E) {}
+ explicit DIEEntry(DIE *E) : DIEValue(isEntry), Entry(E) {
+ assert(E && "Cannot construct a DIEEntry with a null DIE");
+ }
DIE *getEntry() const { return Entry; }