File: structured_bindings.cpp

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,998,520 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (32 lines) | stat: -rw-r--r-- 638 bytes parent folder | download | duplicates (9) 
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
31
32
 
// RUN: %clang_analyze_cc1 -std=c++17 -analyzer-checker=core,debug.ExprInspection -verify %s

void clang_analyzer_eval(bool);

struct s { int a; };
int foo() {
  auto [a] = s{1};
  clang_analyzer_eval(a == 1); // expected-warning{{TRUE}}
} // expected-warning{{non-void function does not return a value}}

struct s2 {
  int &x;
};

int *foo2(s2 in) {
  auto [a] = in;
  return &a;
}

void bar() {
  int i = 1;
  s2 a{i};

  auto *x = foo2(a);

  clang_analyzer_eval(*x == i); // expected-warning{{TRUE}}

  *x = 2;

  clang_analyzer_eval(*x == 2); // expected-warning{{TRUE}}
  clang_analyzer_eval(i == 2);  // expected-warning{{TRUE}}
}