?? c90-array-lval-1.c
字號:
/* Test for non-lvalue arrays decaying to pointers: in C99 only. *//* Origin: Joseph Myers <jsm28@cam.ac.uk> *//* { dg-do compile } *//* { dg-options "-std=iso9899:1990 -pedantic-errors" } */struct s { char c[1]; };extern struct s foo (void);voidbar (void){ char *t; (foo ()).c[0]; /* { dg-bogus "warning" "warning in place of error" } */ t = (foo ()).c; /* { dg-bogus "warning" "warning in place of error" } */ (foo ()).c + 1; /* { dg-bogus "warning" "warning in place of error" } */}/* { dg-error "non-lvalue" "array not decaying to lvalue" { target *-*-* } 14 } { dg-error "non-lvalue|incompatible" "array not decaying to lvalue" { target *-*-* } 15 } { dg-error "non-lvalue|invalid" "array not decaying to lvalue" { target *-*-* } 16 }*/
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