File: no-rtti.cpp

package info (click to toggle)
llvm-toolchain-6.0 1%3A6.0.1-10
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 598,080 kB
  • sloc: cpp: 3,046,253; ansic: 595,057; asm: 271,965; python: 128,926; objc: 106,554; sh: 21,906; lisp: 10,191; pascal: 6,094; ml: 5,544; perl: 5,265; makefile: 2,227; cs: 2,027; xml: 686; php: 212; csh: 117
file content (29 lines) | stat: -rw-r--r-- 489 bytes parent folder | download | duplicates (11)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
// RUN: %clang_cc1 -fsyntax-only -verify -fno-rtti %s

namespace std {
  class type_info;
}

void f()
{
  (void)typeid(int); // expected-error {{cannot use typeid with -fno-rtti}}
}

namespace {
struct A {
  virtual ~A(){};
};

struct B : public A {
  B() : A() {}
};
}

bool isa_B(A *a) {
  return dynamic_cast<B *>(a) != 0; // expected-error {{cannot use dynamic_cast with -fno-rtti}}
}

void* getMostDerived(A* a) {
  // This cast does not use RTTI.
  return dynamic_cast<void *>(a);
}