From 488379ab3fc857228bd425f3f69836615bdd8a05 Mon Sep 17 00:00:00 2001 From: Hans Wennborg Date: Thu, 12 Feb 2015 23:45:01 +0000 Subject: [PATCH] Merging r226588: ------------------------------------------------------------------------ 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. ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_36@228984 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/IR/DebugInfo.cpp | 3 +++ 1 file changed, 3 insertions(+) diff --git a/lib/IR/DebugInfo.cpp b/lib/IR/DebugInfo.cpp index 290dbe29c70..443db5eec46 100644 --- a/lib/IR/DebugInfo.cpp +++ b/lib/IR/DebugInfo.cpp @@ -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; -- 2.50.1