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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.

llvm-svn: 181748
This commit is contained in:
David Blaikie 2013-05-14 00:35:19 +00:00
parent 11ecabf4eb
commit 7b770c6aed
1 changed files with 3 additions and 1 deletions
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4
llvm/lib/CodeGen/AsmPrinter/DIE.h
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@ -325,7 +325,9 @@ namespace llvm {
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; }