Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.old-deja/g++.law/cvt7.C @ 158:494b0b89df80 default tip
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 04ced10e8804 |
children |
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// { dg-do run } // GROUPS passed conversions // cvt file // From: krste@icsi.berkeley.edu (Krste Asanovic) // Date: Mon, 24 Aug 92 19:05:10 PDT // Message-Id: <9208250205.AA26351@icsib43.ICSI.Berkeley.EDU> // Subject: implicit int. convs. from member refs. in switch expressions #include <cstdio> class A { public: A(int j) { i = j; } A(A& a) { i = a.i; } operator int() { return i; } void assign(int v) { i = v; } int i; }; class B { public: B(A& inArg) : in(inArg), out(0) {} A& in; A out; void run(); }; void B::run() { // I get a "switch quantity not an integer" error for this statement. switch (in) // Replacing above with "switch (int(in))" removes the error. { case 0: out = 1; break; default: out = 0; break; } } int main() { A a(1); A& ar = a; A& ar2 = ar; // ....but no errors for this switch statement. switch (ar2) { case 1: std::printf ("PASS\n"); break; default: { std::printf ("FAIL\n"); return 1; } } B b(a); a.assign(3); b.run(); a.assign(0); b.run(); return 0; }