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annotate gcc/testsuite/gcc.dg/Waddress-2.c @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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111
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1 /* PR c/48778 */
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2 /* { dg-do compile } */
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3 /* { dg-options "-Waddress" } */
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4
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5 #define NULL ((void *) 0)
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6
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7 #define M1(b) ((b) != NULL ? 0 : (b))
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8 #define M2(b) ((b) == NULL ? 0 : (b))
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9 #define M3(b) (NULL != (b) ? 0 : (b))
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10 #define M4(b) (NULL == (b) ? 0 : (b))
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11
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12 int
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13 func (int b)
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14 {
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15 if (M1 (&b) > 0)
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16 return 1;
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17 if (M2 (&b) > 0)
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18 return 2;
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19 if (M3 (&b) > 0)
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20 return 3;
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21 if (M4 (&b) > 0)
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22 return 4;
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23 return 0;
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24 }