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annotate gcc/testsuite/gcc.dg/c90-const-expr-8.c @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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111
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1 /* Test for constant expressions: overflow and constant expressions
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2 with -fwrapv: overflows still count as such for the purposes of
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3 constant expressions even when they have defined values at
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4 runtime. */
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5 /* Origin: Joseph Myers <joseph@codesourcery.com> */
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6 /* { dg-do compile } */
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7 /* { dg-options "-std=iso9899:1990 -pedantic-errors -fwrapv" } */
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8
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9 #include <limits.h>
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10
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11 enum e {
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12 E0 = 0 * (INT_MAX + 1), /* { dg-warning "21:integer overflow in expression" } */
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13 /* { dg-error "3:overflow in constant expression" "constant" { target *-*-* } .-1 } */
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14 E1 = 0 * (INT_MIN / -1), /* { dg-warning "21:integer overflow in expression" } */
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15 /* { dg-error "3:overflow in constant expression" "constant" { target *-*-* } .-1 } */
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16 E2 = 0 * (INT_MAX * INT_MAX), /* { dg-warning "21:integer overflow in expression" } */
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17 /* { dg-error "3:overflow in constant expression" "constant" { target *-*-* } .-1 } */
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18 E3 = 0 * (INT_MIN - 1), /* { dg-warning "21:integer overflow in expression" } */
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19 /* { dg-error "3:overflow in constant expression" "constant" { target *-*-* } .-1 } */
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20 E4 = 0 * (unsigned)(INT_MIN - 1), /* { dg-warning "31:integer overflow in expression" } */
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21 /* { dg-error "3:overflow in constant expression" "constant" { target *-*-* } .-1 } */
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22 E5 = 0 * -INT_MIN, /* { dg-warning "12:integer overflow in expression" } */
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23 /* { dg-error "3:overflow in constant expression" "constant" { target *-*-* } .-1 } */
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24 E6 = 0 * !-INT_MIN, /* { dg-warning "13:integer overflow in expression" } */
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25 /* { dg-error "8:not an integer constant" "constant" { target *-*-* } .-1 } */
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26 E7 = INT_MIN % -1 /* { dg-warning "16:integer overflow in expression" } */
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27 /* { dg-error "1:overflow in constant expression" "constant" { target *-*-* } .+1 } */
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28 };