diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/Wcxx-compat-8.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/Wcxx-compat-8.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/Wcxx-compat-8.c b/gcc/testsuite/gcc.dg/Wcxx-compat-8.c new file mode 100644 index 000000000..7dad7a48d --- /dev/null +++ b/gcc/testsuite/gcc.dg/Wcxx-compat-8.c @@ -0,0 +1,65 @@ +/* { dg-do compile } */ +/* { dg-options "-Wc++-compat" } */ + +struct s1 +{ + enum e1 /* { dg-message "note: enum type defined here" } */ + { + A = sizeof (struct s2 { int i; }), /* { dg-warning "invalid in C\[+\]\[+\]" } */ + B + } f1; +}; +struct s2 v1; /* Don't issue another warning about s2. */ +enum e1 v2; /* { dg-warning "not visible in C\[+\]\[+\]" } */ + +enum e2 +{ + C = sizeof (struct s3 { int i; }), /* { dg-warning "invalid in C\[+\]\[+\]" } */ + D = __alignof__ (struct s4 { int i; }), /* { dg-warning "invalid in C\[+\]\[+\]" } */ + E +}; + +struct s3 v3; +int v4 = C; + +enum e3 +{ + F = sizeof (struct t3), /* { dg-bogus "invalid in C\[+\]\[+\]" } */ + /* { dg-error "invalid application of 'sizeof'" "" { target *-*-* } 27 } */ + G = __alignof__ (struct t4), /* { dg-bogus "invalid in C\[+\]\[+\]" } */ + /* { dg-error "invalid application of '__alignof__'" "" { target *-*-* } 29 } */ + H +}; + +__typeof__ (struct s5 { int i; }) v5; /* { dg-warning "invalid in C\[+\]\[+\]" } */ +__typeof__ (struct t5) w5; /* { dg-bogus "invalid in C\[+\]\[+\]" } */ + +int +f1 (struct s1 *p) +{ + return ((struct s6 { int j; } *) p)->j; /* { dg-warning "invalid in C\[+\]\[+\]" } */ +} + +void * +f2 (struct s1 *p) +{ + return ((struct t6 *) p); /* { dg-bogus "invalid in C\[+\]\[+\]" } */ +} + +int +f3 (struct s1 *p) +{ + return (__extension__ (struct s7 { int j; } *)p)->j; +} + +int +f4 () +{ + return (struct s8 { int i; }) { 0 }.i; /* { dg-warning "invalid in C\[+\]\[+\]" } */ +} + +void * +f5 () +{ + return &((struct t8) { }); /* { dg-warning "invalid in C\[+\]\[+\]" } */ +} |