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Fix buildbots broken by r254508 

g++ 4.7 does not allow an inline defaulted virtual destructor to be overridden,
giving the error "looser throw specifier for ... overridding ~SCEVPredicate()
noexcept (true)" (see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53613).

The work-around given in the bug report above has been utilised here.

llvm-svn: 254511
This commit is contained in:
Andy Gibbs 2015-12-02 14:22:18 +00:00
parent c8f472c3a6
commit 57a23151ca
1 changed files with 4 additions and 1 deletions
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5
llvm/include/llvm/Analysis/ScalarEvolution.h
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@ -183,7 +183,7 @@ namespace llvm {
protected: protected:
SCEVPredicateKind Kind; SCEVPredicateKind Kind;
virtual ~SCEVPredicate() = default; virtual ~SCEVPredicate();
SCEVPredicate(const SCEVPredicate&) = default; SCEVPredicate(const SCEVPredicate&) = default;
SCEVPredicate &operator=(const SCEVPredicate&) = default; SCEVPredicate &operator=(const SCEVPredicate&) = default;
@ -211,6 +211,9 @@ namespace llvm {
/// if this is a SCEVUnionPredicate. /// if this is a SCEVUnionPredicate.
virtual const SCEV *getExpr() const = 0; virtual const SCEV *getExpr() const = 0;
}; };
/// Default destructor must be defined outside class due to g++ PR53613.
SCEVPredicate::~SCEVPredicate() = default;
inline raw_ostream &operator<<(raw_ostream &OS, const SCEVPredicate &P) { inline raw_ostream &operator<<(raw_ostream &OS, const SCEVPredicate &P) {
P.print(OS); P.print(OS);