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| author | Richard Guenther <rguenther@suse.de> | 2010-10-13 20:30:10 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2010-10-13 20:30:10 +0000 |
| commit | 0d8485e009278fccd6f6faffc81726bfd6d83716 (patch) | |
| tree | 42d93daff79578d66b6660c2821be75d45c938a4 | |
| parent | bde8a146a602d86483dff9a5b0a9f34419ab3d32 (diff) | |
| download | gcc-0d8485e009278fccd6f6faffc81726bfd6d83716.zip gcc-0d8485e009278fccd6f6faffc81726bfd6d83716.tar.gz gcc-0d8485e009278fccd6f6faffc81726bfd6d83716.tar.bz2 | |
re PR objc/45878 (Can't compile even a trivial ObjC program with -fexceptions -O2)
2010-10-13 Richard Guenther <rguenther@suse.de>
PR objc/45878
* gimple-fold.c (gimple_fold_obj_type_ref): Leave OBJ_TYPE_REFs
alone if there are no virtual methods.
* objc.dg/pr45878.m: New testcase.
From-SVN: r165435
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/gimple-fold.c | 4 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/objc.dg/pr45878.m | 28 |
4 files changed, 41 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 1fbd881..296926b 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2010-10-13 Richard Guenther <rguenther@suse.de> + + PR objc/45878 + * gimple-fold.c (gimple_fold_obj_type_ref): Leave OBJ_TYPE_REFs + alone if there are no virtual methods. + 2010-10-13 Richard Henderson <rth@redhat.com> * expr.c (build_personality_function): Take parameter LANG instead diff --git a/gcc/gimple-fold.c b/gcc/gimple-fold.c index ce232e6..697e364 100644 --- a/gcc/gimple-fold.c +++ b/gcc/gimple-fold.c @@ -1524,9 +1524,9 @@ gimple_fold_obj_type_ref (tree ref, tree known_type) if (binfo) { HOST_WIDE_INT token = tree_low_cst (OBJ_TYPE_REF_TOKEN (ref), 1); - /* If there is no virtual methods fold this to an indirect call. */ + /* If there is no virtual methods leave the OBJ_TYPE_REF alone. */ if (!BINFO_VIRTUALS (binfo)) - return OBJ_TYPE_REF_EXPR (ref); + return NULL_TREE; return gimple_fold_obj_type_ref_known_binfo (token, binfo); } else diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index d367981..3ed9a37 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2010-10-13 Richard Guenther <rguenther@suse.de> + + PR objc/45878 + * objc.dg/pr45878.m: New testcase. + 2010-10-13 Kai Tietz <kai.tietz@onevision.com> * gcc.dg/format/dfp-scanf-1.c: Disable for *-*-mingw* targets. diff --git a/gcc/testsuite/objc.dg/pr45878.m b/gcc/testsuite/objc.dg/pr45878.m new file mode 100644 index 0000000..0c6b908 --- /dev/null +++ b/gcc/testsuite/objc.dg/pr45878.m @@ -0,0 +1,28 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fexceptions" } */ + +typedef struct objc_object { Class class_pointer; } *id; +typedef unsigned char BOOL; + +@interface Object +{ + Class isa; +} +- (BOOL)isEqual:anObject; +@end + +@interface NXConstantString: Object +{ + char *c_string; + unsigned int len; +} +@end + +void function (void) +{ + if ([@"strings" isEqual: (id)0]) + { + ; + } +} + |