diff options
| author | jsm28 <jsm28@138bc75d-0d04-0410-961f-82ee72b054a4> | 2009-04-18 22:34:10 +0000 |
|---|---|---|
| committer | jsm28 <jsm28@138bc75d-0d04-0410-961f-82ee72b054a4> | 2009-04-18 22:34:10 +0000 |
| commit | 1b157e431c5890768ac6cb4f6f93906258a618f5 (patch) | |
| tree | 77e977c132707d7acd5acdad294ab595d741a594 /gcc/testsuite/gcc.dg/lvalue-6.c | |
| parent | 855225481e6a82ff317d14c9484a53faf40a98ca (diff) | |
| download | gcc-1b157e431c5890768ac6cb4f6f93906258a618f5.tar.gz | |
PR c/22367
* c-typeck.c (build_unary_op): Check for taking address of
expression of type void.
testsuite:
* gcc.dg/lvalue-6.c, gcc.dg/lvalue-7.c: New tests.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@146332 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/testsuite/gcc.dg/lvalue-6.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/lvalue-6.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/lvalue-6.c b/gcc/testsuite/gcc.dg/lvalue-6.c new file mode 100644 index 00000000000..af69de4df4c --- /dev/null +++ b/gcc/testsuite/gcc.dg/lvalue-6.c @@ -0,0 +1,17 @@ +/* Test constraints on unary '&': PR 22367. */ + +/* { dg-do compile } */ +/* { dg-options "-std=iso9899:1990 -pedantic-errors" } */ + +extern void v; +void f1 (void) { &v; } /* { dg-error "taking address of expression of type 'void'" } */ + +extern void *pv; +void f2 (void) { &*pv; } /* { dg-warning "dereferencing" } */ +/* { dg-error "taking address of expression of type 'void'" "C90 only error" { target *-*-* } 10 } */ + +extern const void cv; +void f3 (void) { &cv; } + +extern const void *pcv; +void f4 (void) { &*pcv; } /* { dg-warning "dereferencing" } */ |