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view gcc/testsuite/gcc.dg/alias-1.c @ 145:1830386684a0

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gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
parents 04ced10e8804
children
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line source

// { dg-do compile }
// { dg-options "-Wstrict-aliasing=2 -fstrict-aliasing" }

// Copyright (C) 2002 Free Software Foundation, Inc.
// Contributed by Nathan Sidwell 29 Sep 2002 <nathan@codesourcery.com>

// 8083. warn about odd casts

typedef int YYSTYPE;
typedef struct tDefEntry 
{
  unsigned t;
  
} tDefEntry;
struct incomplete;


YYSTYPE
 addSibMacro(
         YYSTYPE  list )
 {
     tDefEntry** ppT   = (tDefEntry**)&list; // { dg-warning "type-punned pointer will" }
 
     struct incomplete *p = (struct incomplete *)&list; // { dg-warning "type-punning to incomplete" }
     
     return list;
 }