diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/c90-array-lval-3.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/c90-array-lval-3.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/c90-array-lval-3.c b/gcc/testsuite/gcc.dg/c90-array-lval-3.c new file mode 100644 index 000000000..192a05f62 --- /dev/null +++ b/gcc/testsuite/gcc.dg/c90-array-lval-3.c @@ -0,0 +1,34 @@ +/* Test for non-lvalue arrays decaying to pointers: in C99 only. + Test various ways of producing non-lvalue arrays. */ +/* Origin: Joseph Myers <jsm28@cam.ac.uk> */ +/* { dg-do compile } */ +/* { dg-options "-std=iso9899:1990 -pedantic-errors" } */ + +struct s { char c[1]; }; +struct s a, b, c; +int d; + +void +bar (void) +{ + char *t; + (d ? b : c).c[0]; /* { dg-bogus "warning" "warning in place of error" } */ + (d, b).c[0]; /* { dg-bogus "warning" "warning in place of error" } */ + (a = b).c[0]; /* { dg-bogus "warning" "warning in place of error" } */ + t = (d ? b : c).c; /* { dg-bogus "warning" "warning in place of error" } */ + t = (d, b).c; /* { dg-bogus "warning" "warning in place of error" } */ + t = (a = b).c; /* { dg-bogus "warning" "warning in place of error" } */ + (d ? b : c).c + 1; /* { dg-bogus "warning" "warning in place of error" } */ + (d, b).c + 1; /* { dg-bogus "warning" "warning in place of error" } */ + (a = b).c + 1; /* { dg-bogus "warning" "warning in place of error" } */ +} +/* { dg-error "non-lvalue" "array not decaying to lvalue" { target *-*-* } 15 } + { dg-error "non-lvalue" "array not decaying to lvalue" { target *-*-* } 16 } + { dg-error "non-lvalue" "array not decaying to lvalue" { target *-*-* } 17 } + { dg-error "non-lvalue|incompatible" "array not decaying to lvalue" { target *-*-* } 18 } + { dg-error "non-lvalue|incompatible" "array not decaying to lvalue" { target *-*-* } 19 } + { dg-error "non-lvalue|incompatible" "array not decaying to lvalue" { target *-*-* } 20 } + { dg-error "non-lvalue|invalid" "array not decaying to lvalue" { target *-*-* } 21 } + { dg-error "non-lvalue|invalid" "array not decaying to lvalue" { target *-*-* } 22 } + { dg-error "non-lvalue|invalid" "array not decaying to lvalue" { target *-*-* } 23 } +*/ |