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c++/6477: Segfault on conflicting types in trivial code
- From: corsepiu at faw dot uni-ulm dot de
- To: gcc-gnats at gcc dot gnu dot org
- Date: 26 Apr 2002 15:48:30 -0000
- Subject: c++/6477: Segfault on conflicting types in trivial code
- Reply-to: corsepiu at faw dot uni-ulm dot de
>Number: 6477
>Category: c++
>Synopsis: Segfault on conflicting types in trivial code
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: unassigned
>State: open
>Class: ice-on-illegal-code
>Submitter-Id: net
>Arrival-Date: Fri Apr 26 08:56:00 PDT 2002
>Closed-Date:
>Last-Modified:
>Originator: Ralf Corsepius
>Release: gcc version 3.1 20020424 (prerelease)
>Organization:
>Environment:
i686-linux, binutils-2.12.90.0.4
Configured with: ../configure --enable-threads=posix --enable-long-long --prefix=/opt/gcc31 --mandir=/opt/gcc31/share/man --infodir=/opt/gcc31/share/info --with-local-prefix=/usr/local --enable-languages=c,c++ --disable-nls --enable-shared --with-system-zlib --host=i486-suse-linux --build=i486-suse-linux
>Description:
# g++31 -o pr6465.o pr6465.cc
pr6465.cc:2: internal error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://www.gnu.org/software/gcc/bugs.html> for instructions.
This is a regression against 3.0.4, which correctly diagnoses the illegal code:
# g++ -o pr6465.o pr6465.cc
pr6465.cc:2: conflicting types for `struct Tk_PostscriptInfo'
pr6465.cc:1: previous declaration as `typedef struct
Tk_PostscriptInfo_*Tk_PostscriptInfo'
Note: This PR replaces PR6465, which can be closed.
>How-To-Repeat:
Compile this code (Also in the attachment)
typedef struct Tk_PostscriptInfo_ *Tk_PostscriptInfo;
typedef struct Tk_PostscriptInfo Tk_PostscriptInfo;
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
----gnatsweb-attachment----
Content-Type: text/plain; name="pr6465.cc"
Content-Disposition: inline; filename="pr6465.cc"
typedef struct Tk_PostscriptInfo_ *Tk_PostscriptInfo;
typedef struct Tk_PostscriptInfo Tk_PostscriptInfo;