On Tue, Dec 10, 2002 at 04:09:44PM -0600, Ronald W. Heiby wrote:
> Tuesday, December 10, 2002, 2:24:23 PM, Ronald wrote:
> > We're having a bit of trouble with the gcc 3.2 for RH 8.0, mostly
> > having to do with interaction with gdb.
>
> I've got a bit more information, now. We generated a small test case
> that is intended to show one of the problems we are facing with gcc /
> gdb.
>
> I create a test file, foo.cpp:
> ----- Cut here -----
> #include <string>
>
> using std::string;
>
> main() {
> string rwh;
>
> rwh = "acme";
> }
> ----- Cut here -----
>
> I invoke the compiler: g++ -g foo.cpp -o foo
> The compiler (with -v) says it's RH 8.0 3.2-7.
>
> I invoke the debugger: gdb foo
> and enter commands:
> (gdb) break main
> (gdb) r
> [hit the breakpoint]
> (gdb) p rwh
> $1 = { static npos = Cannot access memory at address 0x833b550
> (gdb) n
> (gdb) p rwh
> [same error]
> (gdb) n
> (gdb) p rwh
> [same error]
>
> The memory is obviously accessible, since the assignment did not cause
> an exception or fault. Looks like gdb is powerfully confused.
>
> How should we proceed?
File a bug in bugzilla against gdb?
Jakub
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