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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [lvalue-2.c] - Rev 307
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/* Test diagnostic messages for invalid lvalues and non-modifiable lvalues. */ /* Origin: Joseph Myers <jsm@polyomino.org.uk> */ /* { dg-do compile } */ /* { dg-options "" } */ int a, b; void f0 (void) { (a+b) = 1; /* { dg-error "lvalue required as left operand of assignment" } */ (a+b)++; /* { dg-error "lvalue required as increment operand" } */ ++(a+b); /* { dg-error "lvalue required as increment operand" } */ (a+b)--; /* { dg-error "lvalue required as decrement operand" } */ --(a+b); /* { dg-error "lvalue required as decrement operand" } */ &(a+b); /* { dg-error "lvalue required as unary '&' operand" } */ } const int c; const struct { int x; } d; struct { const int x; } e; const int *f; void f1 (void) { c = 1; /* { dg-error "assignment of read-only variable 'c'" } */ d.x = 1; /* { dg-error "assignment of read-only variable 'd'" } */ e.x = 1; /* { dg-error "assignment of read-only member 'x'" } */ *f = 1; /* { dg-error "assignment of read-only location" } */ c++; /* { dg-error "increment of read-only variable 'c'" } */ d.x++; /* { dg-error "increment of read-only variable 'd'" } */ e.x++; /* { dg-error "increment of read-only member 'x'" } */ (*f)++; /* { dg-error "increment of read-only location" } */ ++c; /* { dg-error "increment of read-only variable 'c'" } */ ++d.x; /* { dg-error "increment of read-only variable 'd'" } */ ++e.x; /* { dg-error "increment of read-only member 'x'" } */ ++(*f); /* { dg-error "increment of read-only location" } */ c--; /* { dg-error "decrement of read-only variable 'c'" } */ d.x--; /* { dg-error "decrement of read-only variable 'd'" } */ e.x--; /* { dg-error "decrement of read-only member 'x'" } */ (*f)--; /* { dg-error "decrement of read-only location" } */ --c; /* { dg-error "decrement of read-only variable 'c'" } */ --d.x; /* { dg-error "decrement of read-only variable 'd'" } */ --e.x; /* { dg-error "decrement of read-only member 'x'" } */ --(*f); /* { dg-error "decrement of read-only location" } */ }
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