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optimization/8044: gcc 3.1.1 -O2 error: "Internal compiler error in subst_stack_regs_pat, at reg-stack.c:1441"
- From: andy at nobugs dot org
- To: gcc-gnats at gcc dot gnu dot org
- Date: 25 Sep 2002 20:20:48 -0000
- Subject: optimization/8044: gcc 3.1.1 -O2 error: "Internal compiler error in subst_stack_regs_pat, at reg-stack.c:1441"
- Reply-to: andy at nobugs dot org
>Number: 8044
>Category: optimization
>Synopsis: gcc 3.1.1 -O2 error: "Internal compiler error in subst_stack_regs_pat, at reg-stack.c:1441"
>Confidential: no
>Severity: non-critical
>Priority: medium
>Responsible: unassigned
>State: open
>Class: ice-on-legal-code
>Submitter-Id: net
>Arrival-Date: Wed Sep 25 13:26:00 PDT 2002
>Closed-Date:
>Last-Modified:
>Originator: Andrew Birkett
>Release: gcc version 3.1.1 (Mandrake Linux 8.3 3.1.1-0.7mdk)
>Organization:
>Environment:
>Description:
Compile the three-line program in "How to repeat" with the -O2 flag.
[adb@localhost bug]$ gcc -O2 out.c
out.c: In function `foo':
out.c:4: Internal compiler error in subst_stack_regs_pat, at reg-stack.c:1441
Please submit a full bug report,
with preprocessed source if appropriate.
On my machine, gcc is configured as follows:
Reading specs from /usr/lib/gcc-lib/i586-mandrake-linux-gnu/3.1.1/specs
Configured with: ../configure --prefix=/usr --libdir=/usr/lib --with-slibdir=/lib --mandir=/usr/share/man --infodir=/usr/share/info --enable-shared --enable-threads=posix --disable-checking --enable-long-long --with-gxx-include-dir=/usr/include/g++-v31 --enable-languages=c,c++,f77,objc,java --host=i586-mandrake-linux-gnu --with-system-zlib
Thread model: posix
gcc version 3.1.1 (Mandrake Linux 8.3 3.1.1-0.7mdk)
>How-To-Repeat:
Compile the following code with -O2:
double foo()
{
bar(0);
}
>Fix:
Compile with -O instead of -O2.
>Release-Note:
>Audit-Trail:
>Unformatted: