mirror of git://gcc.gnu.org/git/gcc.git
28 lines
772 B
C
28 lines
772 B
C
/* PR middle-end/82063 - issues with arguments enabled by -Wall
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{ dg-do compile { target lp64 } }
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{ dg-options "-O -Walloc-size-larger-than=1PB -ftrack-macro-expansion=0" } */
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typedef __SIZE_TYPE__ size_t;
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void sink (void*);
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#define T(x) sink (x)
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void f (void)
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{
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size_t n = 0;
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T (__builtin_malloc (n));
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n = (size_t)1000 * 1000 * 1000 * 1000 * 1000; /* 1 petabyte (PB) */
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T (__builtin_malloc (n));
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n += 1;
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T (__builtin_malloc (n)); /* { dg-warning "argument 1 value .1000000000000001. exceeds maximum object size 1000000000000000" } */
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n = __PTRDIFF_MAX__;
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T (__builtin_malloc (n)); /* { dg-warning "exceeds maximum object size" } */
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n = __SIZE_MAX__;
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T (__builtin_malloc (n)); /* { dg-warning "exceeds maximum object size" } */
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}
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