[llvm-bugs] [Bug 36111] New: [X86] Clang doesn't support -mcet/-mno-cet from gcc

via llvm-bugs llvm-bugs at lists.llvm.org
Fri Jan 26 09:49:57 PST 2018


https://bugs.llvm.org/show_bug.cgi?id=36111

            Bug ID: 36111
           Summary: [X86] Clang doesn't support -mcet/-mno-cet from gcc
           Product: clang
           Version: trunk
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Driver
          Assignee: unassignedclangbugs at nondot.org
          Reporter: craig.topper at gmail.com
                CC: llvm-bugs at lists.llvm.org

The clang driver doesn't support -mcet/-mno-cet which gcc treats as sort of an
alias for "-mibt -mshstk".

gcc additionally defines __CET__ if -mibt, -mshstk, or -mcet is specified and
-fcf-protection is set to any value other than none.

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