[Nasm-bugs] [Bug 3392803] New: On recent NASM the %00 multi-line macro label feature is not supported

[noreply-nasm at dev.nasm.us]

https://bugzilla.nasm.us/show_bug.cgi?id=3392803

            Bug ID: 3392803
           Summary: On recent NASM the %00 multi-line macro label feature
                    is not supported
           Product: NASM
           Version: 2.16 (development)
          Hardware: All
                OS: All
            Status: OPEN
          Severity: severe
          Priority: Medium
         Component: Assembler
          Assignee: nobody at nasm.us
          Reporter: pushbx at ulukai.org
                CC: chang.seok.bae at intel.com, gorcunov at gmail.com,
                    hpa at zytor.com, nasm-bugs at nasm.us
     Obtained from: Built from git using configure

Here's a test case:

$ cat test.asm
%macro macro 0
%warning %00
%endmacro

label: macro
%ifdef LABELALONE
label:
%endif
jmp label
$ nasm -v
NASM version 2.16rc0 compiled on Jul 12 2022
$ nasm test.asm
test.asm:5: warning:  [-w+user]
test.asm:2: ... from macro `macro' defined here
$ oldnasm -v
NASM version 2.14.03rc2 compiled on Aug 31 2019
$ oldnasm test.asm
test.asm:5: warning: (macro:1) label [-w+user]
test.asm:2: ... from macro `macro' defined here [-w+user]
test.asm:9: error: symbol `label' undefined
$ oldnasm test.asm -DLABELALONE
test.asm:5: warning: (macro:1) label [-w+user]
test.asm:2: ... from macro `macro' defined here [-w+user]
$

The nasm executable is a build of the revision specified in my comment in
https://github.com/netwide-assembler/nasm/pull/25#issuecomment-1186217590 with
the patch of that PR applied.

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