diff --git a/lib/AST/Expr.cpp b/lib/AST/Expr.cpp index 0ff345a1a8..6d29dd1f31 100644 --- a/lib/AST/Expr.cpp +++ b/lib/AST/Expr.cpp @@ -622,8 +622,32 @@ Expr *Expr::IgnoreParenCasts() { } } +#define USE_EVALUATE bool Expr::isConstantExpr(ASTContext &Ctx, SourceLocation *Loc) const { +#ifdef USE_EVALUATE + switch (getStmtClass()) { + default: + if (!isEvaluatable(Ctx)) { + if (Loc) *Loc = getLocStart(); + return false; + } + break; + case StringLiteralClass: + case ObjCStringLiteralClass: + return true; + case InitListExprClass: { + const InitListExpr *Exp = cast(this); + unsigned numInits = Exp->getNumInits(); + for (unsigned i = 0; i < numInits; i++) { + if (!Exp->getInit(i)->isConstantExpr(Ctx, Loc)) + return false; + } + } + } + + return true; +#else switch (getStmtClass()) { default: if (Loc) *Loc = getLocStart(); @@ -762,6 +786,7 @@ bool Expr::isConstantExpr(ASTContext &Ctx, SourceLocation *Loc) const { case CXXDefaultArgExprClass: return cast(this)->getExpr()->isConstantExpr(Ctx, Loc); } +#endif } /// isIntegerConstantExpr - this recursive routine will test if an expression is diff --git a/test/CodeGen/staticinit.c b/test/CodeGen/staticinit.c index 50c837a1c2..196d931f64 100644 --- a/test/CodeGen/staticinit.c +++ b/test/CodeGen/staticinit.c @@ -18,3 +18,9 @@ void g() { static char a[10]; static char *b = a; } + +struct s { void *p; }; + +void foo(void) { + static struct s var = {((void*)&((char*)0)[0])}; +}