// PR 17880
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// PR 17880
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// { dg-do compile }
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// { dg-do compile }
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// { dg-options "-Wsequence-point" }
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// { dg-options "-Wsequence-point" }
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int
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int
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foo (int x)
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foo (int x)
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{
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{
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unsigned int a;
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unsigned int a;
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int b;
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int b;
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b = (a += 5) > a; // { dg-warning "undefined" "sequence point warning" }
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b = (a += 5) > a; // { dg-warning "undefined" "sequence point warning" }
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b = (a += 5) + a == 10; // { dg-warning "undefined" "sequence point warning" }
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b = (a += 5) + a == 10; // { dg-warning "undefined" "sequence point warning" }
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b = (a -= 5) > a; // { dg-warning "undefined" "sequence point warning" }
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b = (a -= 5) > a; // { dg-warning "undefined" "sequence point warning" }
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b = (a -= 5) + a == 10; // { dg-warning "undefined" "sequence point warning" }
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b = (a -= 5) + a == 10; // { dg-warning "undefined" "sequence point warning" }
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b = a-- > a; // { dg-warning "undefined" "sequence point warning" }
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b = a-- > a; // { dg-warning "undefined" "sequence point warning" }
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b = a-- + a == 10; // { dg-warning "undefined" "sequence point warning" }
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b = a-- + a == 10; // { dg-warning "undefined" "sequence point warning" }
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b = ++a > a; // { dg-warning "undefined" "sequence point warning" }
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b = ++a > a; // { dg-warning "undefined" "sequence point warning" }
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b = ++a + a == 10; // { dg-warning "undefined" "sequence point warning" }
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b = ++a + a == 10; // { dg-warning "undefined" "sequence point warning" }
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if ((a += 5) > a) return -1; // { dg-warning "undefined" "sequence point warning" }
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if ((a += 5) > a) return -1; // { dg-warning "undefined" "sequence point warning" }
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if ((a += 5) + a == 10) return -1; // { dg-warning "undefined" "sequence point warning" }
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if ((a += 5) + a == 10) return -1; // { dg-warning "undefined" "sequence point warning" }
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if ((a -= 5) > a) return -1; // { dg-warning "undefined" "sequence point warning" }
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if ((a -= 5) > a) return -1; // { dg-warning "undefined" "sequence point warning" }
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if ((a -= 5) + a == 10) return -1; // { dg-warning "undefined" "sequence point warning" }
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if ((a -= 5) + a == 10) return -1; // { dg-warning "undefined" "sequence point warning" }
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if (a-- > a) return -1; // { dg-warning "undefined" "sequence point warning" }
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if (a-- > a) return -1; // { dg-warning "undefined" "sequence point warning" }
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if (a-- + a == 10) return -1; // { dg-warning "undefined" "sequence point warning" }
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if (a-- + a == 10) return -1; // { dg-warning "undefined" "sequence point warning" }
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if (++a > a) return -1; // { dg-warning "undefined" "sequence point warning" }
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if (++a > a) return -1; // { dg-warning "undefined" "sequence point warning" }
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if (++a + a == 10) return -1; // { dg-warning "undefined" "sequence point warning" }
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if (++a + a == 10) return -1; // { dg-warning "undefined" "sequence point warning" }
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do {} while ((a += 5) > a); // { dg-warning "undefined" "sequence point warning" }
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do {} while ((a += 5) > a); // { dg-warning "undefined" "sequence point warning" }
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while ((a += 5) > a); // { dg-warning "undefined" "sequence point warning" }
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while ((a += 5) > a); // { dg-warning "undefined" "sequence point warning" }
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for ((a += 5) > a;;); // { dg-warning "undefined" "sequence point warning" }
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for ((a += 5) > a;;); // { dg-warning "undefined" "sequence point warning" }
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for (b = (a += 5) > a;;); // { dg-warning "undefined" "sequence point warning" }
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for (b = (a += 5) > a;;); // { dg-warning "undefined" "sequence point warning" }
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for (; (a += 5) > a;); // { dg-warning "undefined" "sequence point warning" }
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for (; (a += 5) > a;); // { dg-warning "undefined" "sequence point warning" }
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for (;; b = (a += 5) > a); // { dg-warning "undefined" "sequence point warning" }
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for (;; b = (a += 5) > a); // { dg-warning "undefined" "sequence point warning" }
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for (;; a++ + a++); // { dg-warning "undefined" "sequence point warning" }
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for (;; a++ + a++); // { dg-warning "undefined" "sequence point warning" }
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if (a) a++ - a--; // { dg-warning "undefined" "sequence point warning" }
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if (a) a++ - a--; // { dg-warning "undefined" "sequence point warning" }
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((a +=5) > a) ? a : b; // { dg-warning "undefined" "sequence point warning" }
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((a +=5) > a) ? a : b; // { dg-warning "undefined" "sequence point warning" }
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return (a++ - a--); // { dg-warning "undefined" "sequence point warning" }
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return (a++ - a--); // { dg-warning "undefined" "sequence point warning" }
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}
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}
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void bar (int i)
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void bar (int i)
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{
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{
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int a = i++ - i++; // { dg-warning "undefined" "sequence point warning" }
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int a = i++ - i++; // { dg-warning "undefined" "sequence point warning" }
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}
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}
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void baz (int i)
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void baz (int i)
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{
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{
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switch (i++ + i++) // { dg-warning "undefined" "sequence point warning" }
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switch (i++ + i++) // { dg-warning "undefined" "sequence point warning" }
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{
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{
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case 1:
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case 1:
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i++ - i++; // { dg-warning "undefined" "sequence point warning" }
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i++ - i++; // { dg-warning "undefined" "sequence point warning" }
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case 2:
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case 2:
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break;
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break;
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}
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}
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}
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}
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