| :# RUN: not llc -run-pass=none %s -o - 2>&1 | FileCheck %s | |
| # The : before the run comment is syntactically invalid. This used to | |
| # crash in the SourceMgr diagnostic printer because it was called | |
| # before the LLVMContext was initialized. | |
| # CHECK: error: YAML:1:1: Unrecognized character while tokenizing. | |
| --- | |
| name: foo | |
| body: | | |
| bb.0: | |
| ... |