view gcc/testsuite/gcc.dg/plugin/self-assign-test-1.c @ 158:494b0b89df80 default tip

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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 04ced10e8804
children
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/* Test the self-assignemnt detection plugin.  */
/* { dg-do compile } */
/* { dg-options "-O" } */

struct Bar {
  int b_;
  int c_;
};

int g;

int main()
{
  struct Bar *bar;
  int x = x; /* { dg-warning "assigned to itself" } */
  static int y;
  struct Bar b_array[5];

  b_array[x+g].b_ = b_array[x+g].b_; /* { dg-warning "self-assignment detected" "" { xfail *-*-* } } */
  g = g; /* { dg-warning "assigned to itself" } */
  y = y; /* { dg-warning "assigned to itself" } */
  bar->b_ = bar->b_; /* { dg-warning "assigned to itself" } */
}