.*: Assembler messages:
.*:5: Warning: `rep` skips -mlfence-before-ret on `ret`
.*:7: Warning: `rep` skips -mlfence-before-ret on `ret`
.*:10: Warning: constant directive skips -mlfence-before-ret and -mlfence-before-indirect-branch
.*:13: Warning: `rep` skips -mlfence-before-ret on `ret`
.*:17: Warning: constant directive skips -mlfence-before-ret and -mlfence-before-indirect-branch
.*:17: Warning: `constant directive` skips -mlfence-before-ret on `ret`
.*:20: Warning: constant directive skips -mlfence-before-ret and -mlfence-before-indirect-branch
.*:20: Warning: `constant directive` skips -mlfence-before-indirect-branch on `call`