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Code Issues Actions 3 Packages Projects Releases Wiki Activity

Clear LV cache when dropping availability attributes.

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llvm-svn: 171906
This commit is contained in:
Rafael Espindola 2013-01-08 22:31:36 +00:00
parent 27614589dc
commit b68dd4717e
2 changed files with 9 additions and 0 deletions
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6
clang/lib/Sema/SemaDeclAttr.cpp
View File

@ -2043,6 +2043,7 @@ AvailabilityAttr *Sema::mergeAvailabilityAttr(NamedDecl *D, SourceRange Range,
VersionTuple MergedDeprecated = Deprecated;
VersionTuple MergedObsoleted = Obsoleted;
bool FoundAny = false;
bool DroppedAny = false;
if (D->hasAttrs()) {
AttrVec &Attrs = D->getAttrs();
@ -2077,6 +2078,7 @@ AvailabilityAttr *Sema::mergeAvailabilityAttr(NamedDecl *D, SourceRange Range,
Diag(OldAA->getLocation(), diag::warn_mismatched_availability);
Diag(Range.getBegin(), diag::note_previous_attribute);
Attrs.erase(Attrs.begin() + i);
DroppedAny = true;
--e;
continue;
}
@ -2096,6 +2098,7 @@ AvailabilityAttr *Sema::mergeAvailabilityAttr(NamedDecl *D, SourceRange Range,
MergedIntroduced2, MergedDeprecated2,
MergedObsoleted2)) {
Attrs.erase(Attrs.begin() + i);
DroppedAny = true;
--e;
continue;
}
@ -2107,6 +2110,9 @@ AvailabilityAttr *Sema::mergeAvailabilityAttr(NamedDecl *D, SourceRange Range,
}
}
if (DroppedAny)
D->ClearLVCache();
if (FoundAny &&
MergedIntroduced == Introduced &&
MergedDeprecated == Deprecated &&

3
clang/test/Sema/attr-availability.c
View File

@ -51,3 +51,6 @@ void f8() {
int (^b)(int);
b = ^ (int i) __attribute__((availability(macosx,introduced=10.2))) { return 1; }; // expected-warning {{'availability' attribute ignored}}
}
extern int x2 __attribute__((availability(macosx,introduced=10.2))); // expected-note {{previous attribute is here}}
extern int x2 __attribute__((availability(macosx,introduced=10.5))); // expected-warning {{availability does not match previous declaration}}