[llvm-bugs] [Bug 50470] New: .asciz directive does not concatenate strings

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=50470

            Bug ID: 50470
           Summary: .asciz directive does not concatenate strings
           Product: clang
           Version: 11.0
          Hardware: All
                OS: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: C
          Assignee: unassignedclangbugs at nondot.org
          Reporter: vicencb 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

The issue is found when building
https://github.com/ARM-software/arm-trusted-firmware
with
make PLAT=rk3328 CC=clang AR=llvm-ar OC=llvm-objcopy OD=llvm-objdump E=0 V=1
but it is easily reproduced with
echo '.asciz "" ""' | clang -x assembler-with-cpp -c -
The original code has a backslash and a new line between two non-empty srings.
The error reported is
error: unexpected token in '.asciz' directive

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