File: warn-variable-not-needed.cpp

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-11
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,418,840 kB
  • sloc: cpp: 5,290,826; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,898; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,913; xml: 953; cs: 573; fortran: 539
file content (32 lines) | stat: -rw-r--r-- 765 bytes parent folder | download | duplicates (18) 
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_cc1 -fsyntax-only -verify -Wall %s

namespace test1 {
  static int abc = 42; // expected-warning {{variable 'abc' is not needed and will not be emitted}}

  namespace {
  template <typename T> int abc_template = 0;
  template <> int abc_template<int> = 0; // expected-warning {{variable 'abc_template<int>' is not needed and will not be emitted}}
  }                                      // namespace
  template <typename T>
  int foo(void) {
    return abc + abc_template<int> + abc_template<long>;
  }
}

namespace test2 {
  struct bah {
  };
  namespace {
    struct foo : bah {
      static char bar;
      virtual void zed();
    };
    void foo::zed() {
      bar++;
    }
    char foo::bar=0;
  }
  bah *getfoo() {
    return new foo();
  }
}