[llvm-bugs] [Bug 45813] New: Using __builtin_assume_aligned with alignment sanitizer leads to a crash in clang

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=45813

            Bug ID: 45813
           Summary: Using __builtin_assume_aligned with alignment
                    sanitizer leads to a crash in clang
           Product: clang
           Version: 9.0
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: C
          Assignee: unassignedclangbugs at nondot.org
          Reporter: vlad.golovkin.mail at gmail.com
                CC: blitzrakete at gmail.com, dgregor at apple.com,
                    erik.pilkington at gmail.com, llvm-bugs at lists.llvm.org,
                    richard-llvm at metafoo.co.uk

Created attachment 23449
  --> https://bugs.llvm.org/attachment.cgi?id=23449&action=edit
main.c

Trying to compile the following code in Ubuntu 18.04 with command clang-9
-fsanitize=alignment main.c leads to a crash:

int main(void)
{
        __attribute__((aligned(16))) int data[4];

        __builtin_assume_aligned(data, 16);
}

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