https://bugs.llvm.org/show_bug.cgi?id=37316
Bug ID: 37316
Summary: [CFI] LLVM should die (and doesn't) when implicit CFI
blacklist file cannot be found.
Product: compiler-rt
Version: unspecified
Hardware: PC
OS: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: compiler-rt
Assignee: unassignedb...@nondot.org
Reporter: cmt...@google.com
CC: llvm-bugs@lists.llvm.org
The CFI blacklist file, /usr/lib/clang/<version>/share/cfi_blacklist.txt is
necessary for correct code generation. Although it can be specified with the
-fsaniter-blacklist option, it usually is just used implicitly, without that
option. If CFI is enabled and that file is missing, LLVM should die (but it
does not). This is bad as it can lead to generated binaries that fail with CFI
checks that are already known to be bad (blacklisted).
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