[llvm-bugs] [Bug 31588] New: [clang-format] Java string literal concatenation does not respect BreakBeforeBinaryOperators option

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=31588

            Bug ID: 31588
           Summary: [clang-format] Java string literal concatenation does
                    not respect BreakBeforeBinaryOperators option
           Product: clang
           Version: 3.8
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Formatter
          Assignee: unassignedclangbugs at nondot.org
          Reporter: jwalczak at opera.com
                CC: djasper at google.com, klimek at google.com,
                    llvm-bugs at lists.llvm.org
    Classification: Unclassified

*Format settings (.clang-format)*
---
Language: Java
BreakBeforeBinaryOperators: Always
...


*Input:*

// operator+ used with string literals (BUG)
String foo = "aaaaaaaaaaa" + "bbbbbbbbb" + "ccccccccccc" + "ddddddddd" +
"eeeeeeeeeeeeee" + "ffffffffff";

// operator+ used with string literals and variables (BUG)
String foo = aaaaaaaaaaa + "bbbbbbbbb" + ccccccccccc + "ddddddddd" +
"eeeeeeeeeeeeee" + "ffffffffff";

// operator+ used with variables (OK)
String bar = aaaaaaaaaaa + bbbbbbbbb + ccccccccccc + ddddddddd + eeeeeeeeeeeeee
+ ffffffffff;


*Output:*

// operator+ used with string literals (BUG)
String foo = "aaaaaaaaaaa"
             + "bbbbbbbbb"
             + "ccccccccccc"
             + "ddddddddd"
             + "eeeeeeeeeeeeee"
             + "ffffffffff";

// operator+ used with string literals and variables (BUG)
String foo = aaaaaaaaaaa + "bbbbbbbbb" + ccccccccccc + "ddddddddd"
             + "eeeeeeeeeeeeee"
             + "ffffffffff";

// operator+ used with variables (OK)
String bar = aaaaaaaaaaa + bbbbbbbbb + ccccccccccc + ddddddddd +
             eeeeeeeeeeeeee + ffffffffff;

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