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annotate gcc/testsuite/gcc.dg/Wsequence-point-pr18050.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 18050 : bogus warning with -Wsequence-point */
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2 /* { dg-do compile } */
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3 /* { dg-options "-Wsequence-point" } */
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4
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5 struct x
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6 {
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7 int i;
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8 };
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9 void bar(struct x*, int *);
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10
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11 void foo(struct x *y)
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12 {
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13 bar(y++, &y->i); /* { dg-warning "operation on 'y' may be undefined" } */
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14 }
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15
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16 void zz(int a, int *b)
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17 {
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18 *b = a;
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19 }
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20
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21 void baz(void) {
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22 int a = 5;
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23 zz(++a, &a); /* { dg-bogus "operation on 'a' may be undefined" } */
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24 }