[llvm-bugs] [Bug 32244] New: clang-format formats valid c code into invalid one (incorrectly separating the token "<:" into "<" and ":")

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=32244

            Bug ID: 32244
           Summary: clang-format formats valid c code into invalid one
                    (incorrectly separating the token "<:" into "<" and
                    ":")
           Product: clang
           Version: trunk
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Formatter
          Assignee: unassignedclangbugs at nondot.org
          Reporter: chengniansun at gmail.com
                CC: djasper at google.com, klimek at google.com,
                    llvm-bugs at lists.llvm.org

$ clang-format -version
clang-format version 5.0.0 (trunk 296436)
$ 
$ clang-format good.c | tee bad.c
main(int argc, char *argv< : :>)<% %>
$ clang-trunk -w good.c 
$ clang-trunk -w bad.c
bad.c:1:26: error: expected ')'
main(int argc, char *argv< : :>)<% %>
                         ^
bad.c:1:5: note: to match this '('
main(int argc, char *argv< : :>)<% %>
    ^
bad.c:1:1: error: second parameter of 'main' (argument array) must be of type
'char **'
main(int argc, char *argv< : :>)<% %>
^
2 errors generated.
$ 
$ cat good.c 
main
(
int
argc
,
char
 *
argv
<:
:>
)
<%
%>
$

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