99 lines
1.7 KiB
C
99 lines
1.7 KiB
C
// { dg-do assemble }
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// { dg-options "-Wall -Weffc++" }
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//1 g++/12952 un-named variables in a catch block
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//Wall or Wunused should not give warnings here
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template <class T>
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void f (void) {
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try
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{
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}
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catch( int)
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{
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}
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}
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//
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//2 g++/12923 __attribute__((__unused__)) not working for objects
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//Weffc++ or Wunused should not report the object as an error
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class C {
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public:
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C();
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};
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void f (void){
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C x __attribute__ ((__unused__));
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int y __attribute__ ((__unused__));
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}
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//
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//3 g++/12982 lock should not give error here, as above
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void setLock ();
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void clearLock ();
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template <class T>
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class test {
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public:
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class lock
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{
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public:
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lock () { setLock(); }
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~lock () { clearLock(); }
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};
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static void f (void)
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{
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lock local __attribute__ ((__unused__));
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}
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};
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//
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//4 g++/12988 neither Mutex nor AutoMutex varibles should give warnings here
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//compile with -Weffc++ or -Wunused depending on post or pre 97r1
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class Mutex {
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private:
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long counter;
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public:
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virtual long retcntr() {return counter;};
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Mutex(int i = 0): counter(i) {};
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virtual ~Mutex() {};
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} __attribute__ ((__unused__));
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class AutoMutex: public Mutex{
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private:
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long counter2;
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public:
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long retcntr() {return counter2;};
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AutoMutex(int i = 0): counter2(i) {};
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virtual ~AutoMutex() {};
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} __attribute__ ((__unused__));
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template <class T>
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int foofunc(T x){
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Mutex sm(2);
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AutoMutex m(&sm);
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return 0;
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}
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//5 sanity check to make sure other attributes cannot be used
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class Mutex2 {
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private:
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long counter;
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public:
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virtual long retcntr() {return counter;};
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Mutex2(int i = 0): counter(i) {};
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virtual ~Mutex2() {};
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} __attribute__ ((warn)); // { dg-warning "" }
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