diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/Warray-bounds-flex-arrays-2.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/Warray-bounds-flex-arrays-2.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/Warray-bounds-flex-arrays-2.c b/gcc/testsuite/gcc.dg/Warray-bounds-flex-arrays-2.c new file mode 100644 index 0000000..f63206e --- /dev/null +++ b/gcc/testsuite/gcc.dg/Warray-bounds-flex-arrays-2.c @@ -0,0 +1,39 @@ +/* Test -fstrict-flex-arrays + -Warray-bounds. */ +/* { dg-do compile } */ +/* { dg-options "-O2 -fstrict-flex-arrays=2 -Warray-bounds" } */ + +struct trailing_array_1 { + int a; + int b; + int c[4]; +}; + +struct trailing_array_2 { + int a; + int b; + int c[1]; +}; + +struct trailing_array_3 { + int a; + int b; + int c[0]; +}; +struct trailing_array_4 { + int a; + int b; + int c[]; +}; + +void __attribute__((__noinline__)) stuff( + struct trailing_array_1 *normal, + struct trailing_array_2 *trailing_1, + struct trailing_array_3 *trailing_0, + struct trailing_array_4 *trailing_flex) +{ + normal->c[5] = 5; /*{ dg-warning "array subscript 5 is above array bounds of" } */ + trailing_1->c[2] = 2; /* { dg-warning "array subscript 2 is above array bounds of" } */ + trailing_0->c[1] = 1; /* { dg-bogus "array subscript " } */ + trailing_flex->c[10] = 10; /* { dg-bogus "array subscript " } */ + +} |