diff options
author | Fariborz Jahanian <fjahanian@apple.com> | 2009-04-24 17:34:33 +0000 |
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committer | Fariborz Jahanian <fjahanian@apple.com> | 2009-04-24 17:34:33 +0000 |
commit | ced1e286765b4a1c568c8bf2ca41d863bf1584dd (patch) | |
tree | 3dd7197648979eeb3b94700934aa0cf94cfbfce2 | |
parent | 8c2f2d1849247ebf7b2c0dbf1ebba15fe163664b (diff) |
Avoid issuing spurious errors as side-effect of diagnosing
application of sizeof on an interface.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69980 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r-- | lib/Sema/SemaExpr.cpp | 4 | ||||
-rw-r--r-- | test/SemaObjC/sizeof-interface.m | 19 |
2 files changed, 21 insertions, 2 deletions
diff --git a/lib/Sema/SemaExpr.cpp b/lib/Sema/SemaExpr.cpp index edf769b2fe..949c4ae664 100644 --- a/lib/Sema/SemaExpr.cpp +++ b/lib/Sema/SemaExpr.cpp @@ -1251,10 +1251,10 @@ bool Sema::CheckSizeOfAlignOfOperand(QualType exprType, return true; // Reject sizeof(interface) and sizeof(interface<proto>) in 64-bit mode. - if (exprType->isObjCInterfaceType() && LangOpts.ObjCNonFragileABI) { + if (LangOpts.ObjCNonFragileABI && exprType->isObjCInterfaceType()) { Diag(OpLoc, diag::err_sizeof_nonfragile_interface) << exprType << isSizeof; - return true; + return false; } return false; diff --git a/test/SemaObjC/sizeof-interface.m b/test/SemaObjC/sizeof-interface.m index 1793167673..a1d722b742 100644 --- a/test/SemaObjC/sizeof-interface.m +++ b/test/SemaObjC/sizeof-interface.m @@ -52,3 +52,22 @@ int bar(I0 *P) { return P[4].x[2]; // expected-error {{subscript requires size of interface 'I0', which is not constant in non-fragile ABI}} } + +@interface I @end + +@interface XCAttributeRunDirectNode +{ + @public + unsigned long attributeRuns[1024 + sizeof(I)]; // expected-error {{invalid application of 'sizeof' to interface 'I' in non-fragile ABI}} + int i; +} +@end + +@implementation XCAttributeRunDirectNode + +- (unsigned long)gatherStats:(id )stats +{ + return attributeRuns[i]; +} +@end + |