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author | Ben Cheng <bccheng@google.com> | 2013-03-28 11:14:20 -0700 |
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committer | Ben Cheng <bccheng@google.com> | 2013-03-28 12:40:33 -0700 |
commit | af0c51ac87ab2a87caa03fa108f0d164987a2764 (patch) | |
tree | 4b8b470f7c5b69642fdab8d0aa1fbc148d02196b /gcc-4.8/gcc/testsuite/objc.dg/comp-types-3.m | |
parent | d87cae247d39ebf4f5a6bf25c932a14d2fdb9384 (diff) | |
download | toolchain_gcc-af0c51ac87ab2a87caa03fa108f0d164987a2764.tar.gz toolchain_gcc-af0c51ac87ab2a87caa03fa108f0d164987a2764.tar.bz2 toolchain_gcc-af0c51ac87ab2a87caa03fa108f0d164987a2764.zip |
[GCC 4.8] Initial check-in of GCC 4.8.0
Change-Id: I0719d8a6d0f69b367a6ab6f10eb75622dbf12771
Diffstat (limited to 'gcc-4.8/gcc/testsuite/objc.dg/comp-types-3.m')
-rw-r--r-- | gcc-4.8/gcc/testsuite/objc.dg/comp-types-3.m | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/gcc-4.8/gcc/testsuite/objc.dg/comp-types-3.m b/gcc-4.8/gcc/testsuite/objc.dg/comp-types-3.m new file mode 100644 index 000000000..51f418ef5 --- /dev/null +++ b/gcc-4.8/gcc/testsuite/objc.dg/comp-types-3.m @@ -0,0 +1,63 @@ +/* Test assignments and comparisons between protocols (obscure case). */ +/* Author: Nicola Pero <nicola@brainstorm.co.uk>. */ +/* { dg-do compile } */ +#include <objc/objc.h> + +@protocol MyProtocolA +- (void) methodA; +@end + +@protocol MyProtocolB +- (void) methodB; +@end + +@protocol MyProtocolAB <MyProtocolA, MyProtocolB> +@end + +@protocol MyProtocolAC <MyProtocolA> +- (void) methodC; +@end + +int main() +{ + id<MyProtocolA> obj_a = nil; + id<MyProtocolB> obj_b = nil; + id<MyProtocolAB> obj_ab = nil; + id<MyProtocolAC> obj_ac = nil; + + obj_a = obj_b; /* { dg-warning "does not conform" } */ + obj_a = obj_ab; /* Ok */ + obj_a = obj_ac; /* Ok */ + + obj_b = obj_a; /* { dg-warning "does not conform" } */ + obj_b = obj_ab; /* Ok */ + obj_b = obj_ac; /* { dg-warning "does not conform" } */ + + obj_ab = obj_a; /* { dg-warning "does not conform" } */ + obj_ab = obj_b; /* { dg-warning "does not conform" } */ + obj_ab = obj_ac; /* { dg-warning "does not conform" } */ + + obj_ac = obj_a; /* { dg-warning "does not conform" } */ + obj_ac = obj_b; /* { dg-warning "does not conform" } */ + obj_ac = obj_ab; /* { dg-warning "does not conform" } */ + + if (obj_a == obj_b) ; /* { dg-warning "lacks a cast" } */ + if (obj_b == obj_a) ; /* { dg-warning "lacks a cast" } */ + + if (obj_a == obj_ab) ; /* Ok */ + if (obj_ab == obj_a) ; /* Ok */ /* Spurious 2.95.4 warning here */ + + if (obj_a == obj_ac) ; /* Ok */ + if (obj_ac == obj_a) ; /* Ok */ /* Spurious 2.95.4 warning here */ + + if (obj_b == obj_ab) ; /* Ok */ + if (obj_ab == obj_b) ; /* Ok */ /* Spurious 2.95.4 warning here */ + + if (obj_b == obj_ac) ; /* { dg-warning "lacks a cast" } */ + if (obj_ac == obj_b) ; /* { dg-warning "lacks a cast" } */ + + if (obj_ab == obj_ac) ; /* { dg-warning "lacks a cast" } */ + if (obj_ac == obj_ab) ; /* { dg-warning "lacks a cast" } */ + + return 0; +} |