diff options
Diffstat (limited to 'lib/CodeGen/CodeGenFunction.cpp')
-rw-r--r-- | lib/CodeGen/CodeGenFunction.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/CodeGen/CodeGenFunction.cpp b/lib/CodeGen/CodeGenFunction.cpp index 306989f11e..9375b77360 100644 --- a/lib/CodeGen/CodeGenFunction.cpp +++ b/lib/CodeGen/CodeGenFunction.cpp @@ -688,6 +688,12 @@ static void DestroyCleanup(CodeGenFunction &CGF, llvm::BranchInst::Create(CGF.getUnreachableBlock(), Exit); assert(!Entry->getParent() && "cleanup entry already positioned?"); + // We can't just delete the entry; we have to kill any references to + // its instructions in other blocks. + for (llvm::BasicBlock::iterator I = Entry->begin(), E = Entry->end(); + I != E; ++I) + if (!I->use_empty()) + I->replaceAllUsesWith(llvm::UndefValue::get(I->getType())); delete Entry; } |