Author: Julia Lawall <julia@diku.dk> If the NULL test is necessary, then the dereferences should be moved below the NULL test. The semantic patch that makes this change is as follows: (http://www.emn.fr/x-info/coccinelle/) // @@ type T; expression E,E1; identifier i,fld; statement S; @@ – T i = E->fld; + T i; … when != E=E1 when …
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