[llvm-bugs] [Bug 25954] New: Inconsistent alignment of && on function parameters

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=25954

            Bug ID: 25954
           Summary: Inconsistent alignment of && on function parameters
           Product: clang
           Version: trunk
          Hardware: All
                OS: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: Formatter
          Assignee: unassignedclangbugs at nondot.org
          Reporter: gonzalobg88 at gmail.com
                CC: djasper at google.com, klimek at google.com,
                    llvm-bugs at lists.llvm.org
    Classification: Unclassified

In the following snippet, the && on the function parameters are not aligned
consistently. From the snippet below it seems to be due to the decltype and the
missing name of the last function argument:


// minimal example: inconsistent T&& vs U &&
template <typename T, typename U> auto bar(T&& t, U &&) -> decltype(int());
// In the following it does not happen:
template <typename T, typename U> auto bar0(T&& t, U&&) {}
template <typename T, typename U> auto bar1(T&& t, U&&);
template <typename T, typename U> auto bar2(T&& t, U&& u) -> decltype(int());
template <typename T, typename U> auto bar3(T&&, U&& u) -> decltype(int());

// So it seams related to missing name of the last function argument and
// decltype

// it happens consistently inside structs:
struct baz {
  template <typename T, typename U> auto bar(T&& t, U &&) -> decltype(int());
  template <typename T, typename U> auto bar0(T&& t, U&&) {}
};

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