[llvm-bugs] [Bug 28065] New: clang-format incorrectly aligns backslash

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=28065

            Bug ID: 28065
           Summary: clang-format incorrectly aligns backslash
           Product: clang
           Version: 3.8
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Formatter
          Assignee: unassignedclangbugs at nondot.org
          Reporter: alexandre.rames at linaro.org
                CC: djasper at google.com, klimek at google.com,
                    llvm-bugs at lists.llvm.org
    Classification: Unclassified

I have reduced the test-case to the following:

$ cat test_file.h

#define MACRO(V)             \
  V(Rt2) /* one more char */ \
  V(Rs)  /* than here  */    \
  /* comment 3 */            \
  V(other)

$ clang-format test_file.h
#define MACRO(V)             \
  V(Rt2) /* one more char */ \
  V(Rs)  /* than here  */     \
  /* comment 3 */            \
  V(other)

`clang-format` inserts a space that should not be there.

I have double-checked this on ArchLinux with
$ clang-format --version
clang-format version 3.8.0 (tags/RELEASE_380/final)

But others have observed this with clang-format 3.6 and 3.7 on Ubuntu.

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