File: new-user-defined.cpp

package info (click to toggle)
llvm-toolchain-21 1%3A21.1.6-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,245,028 kB
  • sloc: cpp: 7,619,726; ansic: 1,434,018; asm: 1,058,748; python: 252,740; f90: 94,671; objc: 70,685; lisp: 42,813; pascal: 18,401; sh: 8,601; ml: 5,111; perl: 4,720; makefile: 3,675; awk: 3,523; javascript: 2,409; xml: 892; fortran: 770
file content (30 lines) | stat: -rw-r--r-- 725 bytes parent folder | download | duplicates (3) 
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
30
 
// RUN: %clang_analyze_cc1 -verify %s\
// RUN:   -analyzer-checker=core,debug.ExprInspection

void clang_analyzer_eval(bool);

using size_t = decltype(sizeof(int));

template <class FirstT, class... Rest>
void escape(FirstT first, Rest... args);

namespace CustomClassType {
struct S {
  int x;
  static void* operator new(size_t size) {
    return ::operator new(size);
  }
};
void F() {
  S *s = new S;
  clang_analyzer_eval(s->x); // expected-warning{{UNKNOWN}} FIXME: should be an undefined warning

  S *s2 = new S{};
  clang_analyzer_eval(0 == s2->x); // expected-warning{{TRUE}}

  S *s3 = new S{1};
  clang_analyzer_eval(1 == s3->x); // expected-warning{{TRUE}}

  escape(s, s2, s3);
}
} // namespace CustomClassType