aboutsummaryrefslogtreecommitdiff
path: root/gcc/objc
diff options
context:
space:
mode:
authorNicola Pero <nicola.pero@meta-innovation.com>2010-11-25 19:50:13 +0000
committerNicola Pero <nicola@gcc.gnu.org>2010-11-25 19:50:13 +0000
commit24e1ee321921eed8f9dc58cd099fd9d0ff090ce4 (patch)
tree241bfa9c44f647a87ab4413710fcd768e6e2a2fc /gcc/objc
parent92724e1d707ea2821c9a94517ba3b830f84eb296 (diff)
downloadgcc-24e1ee321921eed8f9dc58cd099fd9d0ff090ce4.zip
gcc-24e1ee321921eed8f9dc58cd099fd9d0ff090ce4.tar.gz
gcc-24e1ee321921eed8f9dc58cd099fd9d0ff090ce4.tar.bz2
In gcc/objc/: 2010-11-25 Nicola Pero <nicola.pero@meta-innovation.com>
In gcc/objc/: 2010-11-25 Nicola Pero <nicola.pero@meta-innovation.com> * objc-act.c (objc_build_struct): Install TYPE_OBJC_INTERFACE after finish_struct, not before, otherwise it may be wiped out by it. This fixes spurious warnings when a class has more than 15 instance variables. In gcc/testsuite/: 2010-11-25 Nicola Pero <nicola.pero@meta-innovation.com> * objc.dg/ivar-problem-1.m: New. * obj-c++.dg/ivar-problem-1.mm: New. From-SVN: r167151
Diffstat (limited to 'gcc/objc')
-rw-r--r--gcc/objc/ChangeLog7
-rw-r--r--gcc/objc/objc-act.c25
2 files changed, 24 insertions, 8 deletions
diff --git a/gcc/objc/ChangeLog b/gcc/objc/ChangeLog
index e5b453b..fb1ee6a 100644
--- a/gcc/objc/ChangeLog
+++ b/gcc/objc/ChangeLog
@@ -1,3 +1,10 @@
+2010-11-25 Nicola Pero <nicola.pero@meta-innovation.com>
+
+ * objc-act.c (objc_build_struct): Install TYPE_OBJC_INTERFACE
+ after finish_struct, not before, otherwise it may be wiped out by
+ it. This fixes spurious warnings when a class has more than 15
+ instance variables.
+
2010-11-23 Nicola Pero <nicola.pero@meta-innovation.com>
PR objc/24358
diff --git a/gcc/objc/objc-act.c b/gcc/objc/objc-act.c
index 45c9441..042fa35 100644
--- a/gcc/objc/objc-act.c
+++ b/gcc/objc/objc-act.c
@@ -2137,10 +2137,15 @@ objc_build_struct (tree klass, tree fields, tree super_name)
fields = base;
}
- /* NB: Calling finish_struct() may cause type TYPE_LANG_SPECIFIC fields
- in all variants of this RECORD_TYPE to be clobbered, but it is therein
- that we store protocol conformance info (e.g., 'NSObject <MyProtocol>').
- Hence, we must squirrel away the ObjC-specific information before calling
+ /* NB: Calling finish_struct() may cause type TYPE_LANG_SPECIFIC
+ fields in all variants of this RECORD_TYPE to be clobbered (this
+ is because the C frontend stores a sorted version of the list of
+ fields in lang_type if it deems appropriate, and will update and
+ propagate that list to all variants ignoring the fact that we use
+ lang_type for something else and that such propagation will wipe
+ the objc_info away), but it is therein that we store protocol
+ conformance info (e.g., 'NSObject <MyProtocol>'). Hence, we must
+ squirrel away the ObjC-specific information before calling
finish_struct(), and then reinstate it afterwards. */
for (t = TYPE_NEXT_VARIANT (s); t; t = TYPE_NEXT_VARIANT (t))
@@ -2153,12 +2158,16 @@ objc_build_struct (tree klass, tree fields, tree super_name)
VEC_safe_push (tree, heap, objc_info, TYPE_OBJC_INFO (t));
}
- /* Point the struct at its related Objective-C class. */
- INIT_TYPE_OBJC_INFO (s);
- TYPE_OBJC_INTERFACE (s) = klass;
-
s = objc_finish_struct (s, fields);
+ /* Point the struct at its related Objective-C class. We do this
+ after calling finish_struct() because otherwise finish_struct()
+ would wipe TYPE_OBJC_INTERFACE() out. */
+ if (!TYPE_HAS_OBJC_INFO (s))
+ INIT_TYPE_OBJC_INFO (s);
+
+ TYPE_OBJC_INTERFACE (s) = klass;
+
for (i = 0, t = TYPE_NEXT_VARIANT (s); t; t = TYPE_NEXT_VARIANT (t), i++)
{
TYPE_OBJC_INFO (t) = VEC_index (tree, objc_info, i);