May 02, 2023
https://issues.dlang.org/show_bug.cgi?id=23875

          Issue ID: 23875
           Summary: ImportC: __attribute__ in a cast doesn't work
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Severity: normal
          Priority: P1
         Component: dmd
          Assignee: nobody@puremagic.com
          Reporter: bugzilla@digitalmars.com

int pluto()
{
    (__attribute__((__vector_size__ (16))) int) {4,1,2,3};
}

produces:

test.c(5): Error: expression expected, not `__attribute__`
test.c(5): Error: found `int` when expecting `)`
test.c(5): Error: found `)` when expecting `;` following statement
test.c(5): Error: found `}` when expecting `;` following statement
test.c(7): Error: found `End of File` when expecting `}` following compound
statement

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