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; RUN: not llvm-as < %s > /dev/null 2> %t ; RUN: FileCheck %s --input-file=%t ; CHECK: basic block pointers are invalid define i32 @main() { %foo = call i8* %llvm.stacksave() %foop = bitcast i8* %foo to label* %nret = load label, label* %foop br label %nret }