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| author | bstarynk <bstarynk@138bc75d-0d04-0410-961f-82ee72b054a4> | 2010-10-26 20:03:21 +0000 |
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| committer | bstarynk <bstarynk@138bc75d-0d04-0410-961f-82ee72b054a4> | 2010-10-26 20:03:21 +0000 |
| commit | c79b54af83c8031caac515081fb7c56a127b90e3 (patch) | |
| tree | e5391ba973e0b1e273c9037981ed8ac55099e03f /gcc/testsuite/objc.dg/strings/const-str-6.m | |
| parent | 8dfbafc807ba917d346d622915073bd4450ad344 (diff) | |
| download | gcc-c79b54af83c8031caac515081fb7c56a127b90e3.tar.gz | |
2010-10-26 Basile Starynkevitch <basile@starynkevitch.net>
MELT branch merged with trunk rev 165980
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/melt-branch@165983 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/testsuite/objc.dg/strings/const-str-6.m')
| -rw-r--r-- | gcc/testsuite/objc.dg/strings/const-str-6.m | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/gcc/testsuite/objc.dg/strings/const-str-6.m b/gcc/testsuite/objc.dg/strings/const-str-6.m new file mode 100644 index 00000000000..fca7643af37 --- /dev/null +++ b/gcc/testsuite/objc.dg/strings/const-str-6.m @@ -0,0 +1,28 @@ +/* Negative test case for constant string layout. */ +/* Contributed by Ziemowit Laski <zlaski@apple.com>. */ + +/* { dg-do compile } */ +/* { dg-options "-fconstant-string-class=MyConstantString" } */ +/* { dg-options "-mno-constant-cfstrings -fconstant-string-class=MyConstantString" { target *-*-darwin* } } */ + +@interface MyBase { + char p; +} +@end + +@interface MyConstantString: MyBase { + union { + void *u; + unsigned char *c; + } _contents; + char _count; +} +@end + +/* The NeXT runtime initializes the 'isa' pointer of string constants at + compile time. */ +#ifdef __NEXT_RUNTIME__ +extern void *_MyConstantStringClassReference; +#endif + +MyConstantString *str = @"Hello"; /* { dg-error "interface .MyConstantString. does not have valid constant string layout" } */ |