Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/c99-const-expr-7.c @ 118:fd00160c1b76
ifdef TARGET_64BIT
author | mir3636 |
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date | Tue, 27 Feb 2018 15:01:35 +0900 |
parents | 04ced10e8804 |
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/* Test for constant expressions: overflow and constant expressions; see also overflow-warn-*.c for some other cases. */ /* Origin: Joseph Myers <joseph@codesourcery.com> */ /* { dg-do compile } */ /* { dg-options "-std=iso9899:1999 -pedantic-errors" } */ #include <float.h> #include <limits.h> int a = DBL_MAX; /* { dg-warning "overflow in conversion" } */ /* { dg-error "overflow in constant expression" "constant" { target *-*-* } .-1 } */ int b = (int) DBL_MAX; /* { dg-error "overflow" } */ unsigned int c = -1.0; /* { dg-warning "overflow in conversion" } */ /* { dg-error "overflow in constant expression" "constant" { target *-*-* } .-1 } */ unsigned int d = (unsigned)-1.0; /* { dg-error "overflow" } */ int e = 0 << 1000; /* { dg-warning "shift count" } */ /* { dg-error "constant" "constant" { target *-*-* } .-1 } */ int f = 0 << -1; /* { dg-warning "shift count" } */ /* { dg-error "constant" "constant" { target *-*-* } .-1 } */ int g = 0 >> 1000; /* { dg-warning "shift count" } */ /* { dg-error "constant" "constant" { target *-*-* } .-1 } */ int h = 0 >> -1; /* { dg-warning "shift count" } */ /* { dg-error "constant" "constant" { target *-*-* } .-1 } */ int b1 = (0 ? (int) DBL_MAX : 0); unsigned int d1 = (0 ? (unsigned int)-1.0 : 0); int e1 = (0 ? 0 << 1000 : 0); int f1 = (0 ? 0 << -1 : 0); int g1 = (0 ? 0 >> 1000 : 0); int h1 = (0 ? 0 >> -1: 0); int i = -1 << 0; /* { dg-error "constant" "constant" { target *-*-* } .-1 } */ int j[1] = { DBL_MAX }; /* { dg-warning "overflow in conversion" } */ /* { dg-error "overflow in constant expression" "constant" { target *-*-* } .-1 } */ int array[2] = { [0 * (INT_MAX + 1)] = 0 }; /* { dg-warning "integer overflow in expression" } */ /* { dg-error "overflow in constant expression" "constant" { target *-*-* } .-1 } */ _Bool k = INT_MAX + 1; /* { dg-warning "integer overflow in expression" } */ /* { dg-error "overflow in constant expression" "constant" { target *-*-* } .-1 } */