3180839c4bee41b8dea76f1e2d19203cd76c0fa0
When compiling virtual classes's destructors, two versions are compiled, one with a single parameter (this) and the other with 2 parameters (this and vtt). GCC's compilation makes it so either the version with 1 parameter or the one with 2 parameters is called, depending on whether the destructor is being called by the class itself or by an inherited class. On the test gdb.cp/mb-ctor.exp, this means that the breakpoint set at the destructor will be hit 4 times. Clang, on the other hand, makes the single-parameter version call the 2 parameter version, probably in an attempt to reduce the size of the resulting executable. This means that the gdb.cp/mb-ctor.exp will hit 6 breakpoints before finishing, and is the reason why this test was failing. To make this test stop failing, a compiler check is added and another "continue" instruction is issued to account for this difference. Approved-by: Tom Tromey <tom@tromey.com>
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README for GNU development tools This directory contains various GNU compilers, assemblers, linkers, debuggers, etc., plus their support routines, definitions, and documentation. If you are receiving this as part of a GDB release, see the file gdb/README. If with a binutils release, see binutils/README; if with a libg++ release, see libg++/README, etc. That'll give you info about this package -- supported targets, how to use it, how to report bugs, etc. It is now possible to automatically configure and build a variety of tools with one command. To build all of the tools contained herein, run the ``configure'' script here, e.g.: ./configure make To install them (by default in /usr/local/bin, /usr/local/lib, etc), then do: make install (If the configure script can't determine your type of computer, give it the name as an argument, for instance ``./configure sun4''. You can use the script ``config.sub'' to test whether a name is recognized; if it is, config.sub translates it to a triplet specifying CPU, vendor, and OS.) If you have more than one compiler on your system, it is often best to explicitly set CC in the environment before running configure, and to also set CC when running make. For example (assuming sh/bash/ksh): CC=gcc ./configure make A similar example using csh: setenv CC gcc ./configure make Much of the code and documentation enclosed is copyright by the Free Software Foundation, Inc. See the file COPYING or COPYING.LIB in the various directories, for a description of the GNU General Public License terms under which you can copy the files. REPORTING BUGS: Again, see gdb/README, binutils/README, etc., for info on where and how to report problems.
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