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authorrus <rus@138bc75d-0d04-0410-961f-82ee72b054a4>2009-11-09 20:58:24 +0000
committerrus <rus@138bc75d-0d04-0410-961f-82ee72b054a4>2009-11-09 20:58:24 +0000
commit7f4db7c80779ecbc57d1146654daf0acfe18de66 (patch)
tree3af522a3b5e149c3fd498ecb1255994daae2129a /gcc/testsuite/c-c++-common/builtin-offsetof.c
parent611349f0ec42a37591db2cd02974a11a48d10edb (diff)
downloadgcc-profile-stdlib.tar.gz
merge from trunkprofile-stdlib
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/profile-stdlib@154052 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/testsuite/c-c++-common/builtin-offsetof.c')
-rw-r--r--gcc/testsuite/c-c++-common/builtin-offsetof.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/gcc/testsuite/c-c++-common/builtin-offsetof.c b/gcc/testsuite/c-c++-common/builtin-offsetof.c
new file mode 100644
index 00000000000..6d97775467d
--- /dev/null
+++ b/gcc/testsuite/c-c++-common/builtin-offsetof.c
@@ -0,0 +1,29 @@
+// Contributed by Dodji Seketeli <dodji@redhat.com>
+// Origin PR c++/38699
+// { dg-options "-Warray-bounds" }
+// { dg-do compile }
+
+struct A
+{
+ const char *p;
+};
+
+struct B
+{
+ char p[10];
+ struct A a;
+};
+
+void
+f0 ()
+{
+ __builtin_offsetof(struct A, p); // OK
+ __builtin_offsetof(struct A, p[0]); // { dg-error "non constant address" }
+ __builtin_offsetof(struct B, p[0]); // OK
+ __builtin_offsetof(struct B, p[9]); // OK
+ __builtin_offsetof(struct B, p[10]); // OK
+ __builtin_offsetof(struct B, p[11]); // { dg-warning "greater than size" }
+ __builtin_offsetof(struct B, a.p); // OK
+ __builtin_offsetof(struct B, p[0]); // OK
+ __builtin_offsetof(struct B, a.p[0]); // { dg-error "non constant address" }
+}