[llvm-bugs] [Bug 43216] New: Unclear error message

via llvm-bugs llvm-bugs at lists.llvm.org
Wed Sep 4 00:47:15 PDT 2019


            Bug ID: 43216
           Summary: Unclear error message
           Product: clang
           Version: 9.0
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: normal
          Priority: P
         Component: -New Bugs
          Assignee: unassignedclangbugs at nondot.org
          Reporter: jvapen at gmail.com
                CC: htmldeveloper at gmail.com, llvm-bugs at lists.llvm.org,
                    neeilans at live.com, richard-llvm at metafoo.co.uk

F:\Other\Software\LLVM_9_0_0-RC3\bin\clang-cl.exe /nologo /c -w /GR /EHsc 
/std:c++17  t.cpp
template <typename T> auto f(T &&) {
  []() {
    struct G {
      ~G() {
        if (i)
      int i{0};

auto g() { return f(0); }

>> t.cpp(5,13): error: 'f(int &&)::(anonymous class)::operator()()::G::~G()::G::i' is not a member of class 'G'
        if (i)
t.cpp(3,12): note: in instantiation of member function 'f(int &&)::(anonymous
class)::operator()()::G::~G' requested here
    struct G {
1 error generated.

As one can see in the code above, `i` is a member of the class G.
Linked bug: 43215 (Crash on slightly more complex code)

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