Summary:
We forgot to initialize the NumExpr member in one of the constructors,
which leads crashes in preamble serialization.
Reviewers: sammccall
Subscribers: cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D78284
private:
RecoveryExpr(ASTContext &Ctx, SourceLocation BeginLoc, SourceLocation EndLoc,
ArrayRef<Expr *> SubExprs);
- RecoveryExpr(EmptyShell Empty) : Expr(RecoveryExprClass, Empty) {}
+ RecoveryExpr(EmptyShell Empty, unsigned NumSubExprs)
+ : Expr(RecoveryExprClass, Empty), NumExprs(NumSubExprs) {}
size_t numTrailingObjects(OverloadToken<Stmt *>) const { return NumExprs; }
RecoveryExpr *RecoveryExpr::CreateEmpty(ASTContext &Ctx, unsigned NumSubExprs) {
void *Mem = Ctx.Allocate(totalSizeToAlloc<Expr *>(NumSubExprs),
alignof(RecoveryExpr));
- return new (Mem) RecoveryExpr(EmptyShell());
+ return new (Mem) RecoveryExpr(EmptyShell(), NumSubExprs);
}
void OMPArrayShapingExpr::setDimensions(ArrayRef<Expr *> Dims) {
--- /dev/null
+// Test with pch.
+// RUN: %clang_cc1 -emit-pch -frecovery-ast -fallow-pch-with-compiler-errors -o %t %s
+// RUN: %clang_cc1 -include-pch %t -fno-validate-pch -emit-llvm -o - %s
+
+#ifndef HEADER
+#define HEADER
+
+int func(int);
+int s = func();
+
+#else
+
+#endif