Commit e27e03b9 authored by Hans Wennborg's avatar Hans Wennborg
Browse files

Merging r226588: 

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r226588 | adrian | 2015-01-20 10:03:37 -0800 (Tue, 20 Jan 2015) | 1 line

Add an assertion and prefer a crash over an infinite loop.
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llvm-svn: 228984
parent 6a4ed8e3

llvm/lib/IR/DebugInfo.cpp

+3 −0
Original line number Diff line number Diff line
@@ -525,12 +525,15 @@ bool DISubprogram::Verify() const { 
        while ((IA = DL.getInlinedAt()))

          DL = DebugLoc::getFromDILocation(IA);

        DL.getScopeAndInlinedAt(Scope, IA);

        assert(Scope && "debug location has no scope");

        assert(!IA);

        while (!DIDescriptor(Scope).isSubprogram()) {

          DILexicalBlockFile D(Scope);

          Scope = D.isLexicalBlockFile()

                      ? D.getScope()

                      : DebugLoc::getFromDILexicalBlock(Scope).getScope();

          if (!Scope)

            llvm_unreachable("lexical block file has no scope");

        }

        if (!DISubprogram(Scope).describes(F))

          return false;