https://issues.dlang.org/show_bug.cgi?id=22927

          Issue ID: 22927
           Summary: importC: 'struct already exists' with forward
                    reference and function with same name
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Keywords: ImportC
          Severity: normal
          Priority: P1
         Component: dmd
          Assignee: nobody@puremagic.com
          Reporter: duser@neet.fi
                CC: duser@neet.fi

struct block *tmp;
struct block {};
void block(void);
void block(void){}

test.c(2): Error: struct `test.block` already exists at test.c(1). Perhaps in
another function with the same name?

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