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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [c99-const-expr-8.c] - Rev 316
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/* Test for constant expressions: overflow and constant expressions with -fwrapv: overflows still count as such for the purposes of constant expressions even when they have defined values at runtime. */ /* Origin: Joseph Myers <joseph@codesourcery.com> */ /* { dg-do compile } */ /* { dg-options "-std=iso9899:1999 -pedantic-errors -fwrapv" } */ #include <limits.h> enum e { E0 = 0 * (INT_MAX + 1), /* { dg-warning "integer overflow in expression" } */ /* { dg-error "overflow in constant expression" "constant" { target *-*-* } 12 } */ E1 = 0 * (INT_MIN / -1), /* { dg-warning "integer overflow in expression" } */ /* { dg-error "overflow in constant expression" "constant" { target *-*-* } 14 } */ E2 = 0 * (INT_MAX * INT_MAX), /* { dg-warning "integer overflow in expression" } */ /* { dg-error "overflow in constant expression" "constant" { target *-*-* } 16 } */ E3 = 0 * (INT_MIN - 1), /* { dg-warning "integer overflow in expression" } */ /* { dg-error "overflow in constant expression" "constant" { target *-*-* } 18 } */ E4 = 0 * (unsigned)(INT_MIN - 1), /* { dg-warning "integer overflow in expression" } */ /* { dg-error "overflow in constant expression" "constant" { target *-*-* } 20 } */ E5 = 0 * -INT_MIN, /* { dg-warning "integer overflow in expression" } */ /* { dg-error "overflow in constant expression" "constant" { target *-*-* } 22 } */ E6 = 0 * !-INT_MIN, /* { dg-warning "integer overflow in expression" } */ /* { dg-error "not an integer constant" "constant" { target *-*-* } 24 } */ E7 = INT_MIN % -1 /* Not an overflow. */ };
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