From a597750cf1043513d01686fda36569224987b619 Mon Sep 17 00:00:00 2001 From: Jason Merrill Date: Wed, 18 Dec 2002 11:43:20 -0500 Subject: [PATCH] re PR c++/8674 (ICE in cp_expr_size, at cp/cp-lang.c:307) PR c++/8674 * call.c (build_over_call): Check specifically for TARGET_EXPR when eliding. From-SVN: r60260 --- gcc/testsuite/g++.dg/init/elide3.C | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 gcc/testsuite/g++.dg/init/elide3.C diff --git a/gcc/testsuite/g++.dg/init/elide3.C b/gcc/testsuite/g++.dg/init/elide3.C new file mode 100644 index 00000000000..e6d3300b56b --- /dev/null +++ b/gcc/testsuite/g++.dg/init/elide3.C @@ -0,0 +1,30 @@ +// PR c++/8674 + +// Bug: Since B().a is an rvalue, we tried to treat it like a TARGET_EXPR +// and elide the copy. But that produces a bitwise copy, which causes us +// to abort in cp_expr_size. + +// Test that we actually run the A copy constructor when calling f(). + +// { dg-do run } + +int c; + +struct A +{ + A () { ++c; } + A (const A&) { ++c; } +}; + +struct B +{ + A a; +}; + +void f (A) { } + +int main () +{ + f (B().a); + return c < 2; +} -- 2.30.2