[llvm-bugs] [Bug 51111] New: Multiple immediate invocation expression-statements of lambda expressions should be constant expressions

via llvm-bugs llvm-bugs at lists.llvm.org
Thu Jul 15 16:08:30 PDT 2021


https://bugs.llvm.org/show_bug.cgi?id=51111

            Bug ID: 51111
           Summary: Multiple immediate invocation expression-statements of
                    lambda expressions should be constant expressions
           Product: clang
           Version: trunk
          Hardware: PC
               URL: https://godbolt.org/z/YqG7P977v
                OS: Linux
            Status: NEW
          Keywords: miscompilation
          Severity: enhancement
          Priority: P
         Component: C++2a
          Assignee: unassignedclangbugs at nondot.org
          Reporter: johelegp at gmail.com
                CC: blitzrakete at gmail.com, erik.pilkington at gmail.com,
                    johelegp at gmail.com, llvm-bugs at lists.llvm.org,
                    richard-llvm at metafoo.co.uk

See https://godbolt.org/z/YqG7P977v.
```C++
void f() {
  []() consteval { int i{}; }();
  []() consteval { int i{}; ++i; }();
}
void g() {
  (void)[](int i) consteval { return i; }(0);
  (void)[](int i) consteval { return i; }(0);
}
```

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