diff options
Diffstat (limited to 'gcc-4.4.0/gcc/testsuite/g++.dg/warn/Wicf.C')
| -rw-r--r-- | gcc-4.4.0/gcc/testsuite/g++.dg/warn/Wicf.C | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/gcc-4.4.0/gcc/testsuite/g++.dg/warn/Wicf.C b/gcc-4.4.0/gcc/testsuite/g++.dg/warn/Wicf.C new file mode 100644 index 000000000..98fb21571 --- /dev/null +++ b/gcc-4.4.0/gcc/testsuite/g++.dg/warn/Wicf.C @@ -0,0 +1,31 @@ +// Test -Wicf to warn about function pointers used in comparisons. +// Origin: Sriraman Tallam <tmsriram@google.com> + +// { dg-do compile} +// { dg-options "-Wicf" } + +struct A +{ + int foo (int); + int bar (int); +}; + +extern int foo (int); +extern int baz (int); + +int (*funcptr) (int); +int (A::*Aptr) (int); +void +bar (int a) +{ + funcptr = baz; + Aptr = &A::foo; + if (foo == funcptr) // { dg-warning "Function pointer used" "correct warning" } + foo (10); + if (funcptr == baz) // { dg-warning "Function pointer used" "correct warning" } + foo (10); + if (&A::foo == &A::bar) // { dg-warning "Method pointer used" "correct warning" } + foo (10); + if (Aptr == &A::foo) // { dg-warning "Method pointer used" "correct warning" } + foo (10); +} |