[llvm-bugs] [Bug 49928] New: non-empty struct size is 1

via llvm-bugs llvm-bugs at lists.llvm.org
Sun Apr 11 18:20:56 PDT 2021


https://bugs.llvm.org/show_bug.cgi?id=49928

            Bug ID: 49928
           Summary: non-empty struct size is 1
           Product: clang
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: C++2b
          Assignee: unassignedclangbugs at nondot.org
          Reporter: janezz55 at gmail.com
                CC: blitzrakete at gmail.com, erik.pilkington at gmail.com,
                    llvm-bugs at lists.llvm.org, richard-llvm at metafoo.co.uk

This program compiles with clang-13, but not with gcc, one of the two has it
wrong, also the struct is not empty:

#include <iostream>

int main()
{
  struct S
  {
    int; char; double;
  };

  std::cout << sizeof(S) << std::endl;

  return 0;
}

https://wandbox.org/permlink/e11FkS0WeOoEiF5j

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