diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/c99-array-lval-8.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/c99-array-lval-8.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/c99-array-lval-8.c b/gcc/testsuite/gcc.dg/c99-array-lval-8.c new file mode 100644 index 000000000..c4e202ef3 --- /dev/null +++ b/gcc/testsuite/gcc.dg/c99-array-lval-8.c @@ -0,0 +1,30 @@ +/* Test for non-lvalue arrays: test that qualifiers on non-lvalues + containing arrays do not remain when those arrays decay to + pointers. PR 35235. */ +/* { dg-do compile } */ +/* { dg-options "-std=iso9899:1999 -pedantic-errors" } */ + +int a; + +void +f (void) +{ + const struct { + int a[1]; + } s; + int *p1 = s.a; /* { dg-error "qualifier" } */ + int *p2 = (a ? s : s).a; + /* In this case, the qualifier is properly on the array element type + not on the rvalue structure and so is not discarded. */ + struct { + const int a[1]; + } t; + int *p3 = t.a; /* { dg-error "qualifier" } */ + int *p4 = (a ? t : t).a; /* { dg-error "qualifier" } */ + /* The issue could also lead to code being wrongly accepted. */ + const struct { + int a[1][1]; + } u; + const int (*p5)[1] = u.a; + const int (*p6)[1] = (a ? u : u).a; /* { dg-error "pointer" } */ +} |