gcc-4.9/gcc/testsuite/gcc.dg/Wmissing-parameter-type-Wextra.c


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/* Test -Wmissing-parameter-type is enabled by -Wextra */
/* { dg-do compile } */
/* { dg-options "-Wextra" } */

int foo(bar) { return bar;} /* { dg-warning "type of 'bar' defaults to 'int'" } */