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- Newsgroups: gnu.g++.bug
- Path: sparky!uunet!zaphod.mps.ohio-state.edu!cis.ohio-state.edu!cs.rice.edu!dougm
- From: dougm@cs.rice.edu (Doug Moore)
- Subject: (expr?f: g)(arg) bug
- Message-ID: <9211232230.AA27306@cs.rice.edu>
- Sender: gnulists@ai.mit.edu
- Organization: GNUs Not Usenet
- Distribution: gnu
- Date: Mon, 23 Nov 1992 22:30:37 GMT
- Approved: bug-g++@prep.ai.mit.edu
- Lines: 92
-
- The program that follows successfully compiles and runs as expected
- under gcc 2.3.1 (patched). Under g++ 2.3.1, however, it produces a
- compiler fault. It is not clear whether the operation it attempts to
- perform is valid C++, or a documented extension in gcc, or an invalid
- operation that gcc accidentally accepts. Anyway, any compiler fault
- is bad.
-
- The compiler output:
- ===========================================================================
- cd /home/dougm/
- g++ -v -Wall bug.cc
- Reading specs from /blossom/lib/gcc-lib/sun4/2.3.1/specs
- gcc version 2.3.1
- /blossom/lib/gcc-lib/sun4/2.3.1/cpp -lang-c++ -v -undef -D__GNUC__=2 -D__GNUG__=2 -D__cplusplus -Dsparc -Dsun -Dunix -D__sparc__ -D__sun__ -D__unix__ -D__sparc -D__sun -D__unix -Wall bug.cc /usr/tmp/cca27267.i
- GNU CPP version 2.3.1 (sparc)
- /blossom/lib/gcc-lib/sun4/2.3.1/cc1plus /usr/tmp/cca27267.i -quiet -dumpbase bug.cc -Wall -version -o /usr/tmp/cca27267.s
- GNU C++ version 2.3.1 (sparc) compiled by GNU C version 2.3.1.
- bug.cc: In function `int main (int, char **)':
- bug.cc:13: not enough type information
- /blossom/bin/sun4/gcc: Internal compiler error: program cc1plus got fatal signal 10
-
- Compilation exited abnormally with code 1 at Mon Nov 23 16:28:56
- ===========================================================================
-
- The program:
- ===========================================================================
- int foo(int x)
- {
- return x;
- }
-
- int baz(int x)
- {
- return x+1;
- }
-
- int main(int argc, char** argv)
- {
- int x = ((argc-1)? foo: baz)(4);
- return x;
- }
- ===========================================================================
-
- The compilation is on a Sparc running SunOS 4.1.2.
-
- The patches applied to the 2.3.1 source are from the net, and appeared
- with these headings:
-
- From: eggert@twinsun.COM (Paul Eggert)
- Newsgroups: gnu.gcc.bug
- Subject: enquire 4.3 (GCC 2.3.1) generates some garbage bits in float.h
- Date: 2 Nov 92 22:08:31 GMT
-
- From: eggert@twinsun.COM (Paul Eggert)
- Newsgroups: gnu.gcc.bug
- Subject: typo in fold-const.c prevents GCC 2.3.1 from catching some overflows
- Date: 2 Nov 92 23:54:39 GMT
-
- From: eggert@twinsun.COM (Paul Eggert)
- Newsgroups: gnu.gcc.bug
- Subject: LDBL_MIN etc should be constant exprs (GCC 2.3.1, enquire 4.3, sparc)
- Date: 2 Nov 92 22:31:15 GMT
-
- From: cliff@cs.cornell.edu (Cliff Krumvieda)
- Newsgroups: gnu.gcc.bug
- Subject: index, rindex, and gcc-2.3.1
- Date: 2 Nov 92 12:09:18 GMT
-
- From: eggert@twinsun.COM (Paul Eggert)
- Newsgroups: gnu.gcc.bug
- Subject: GCC 2.3.1 overlooks int overflow in constant expressions
- Date: 3 Nov 92 01:33:26 GMT
-
- From: cliff@cs.cornell.edu (Cliff Krumvieda)
- Newsgroups: gnu.gcc.bug
- Subject: more on index, rindex, and gcc-2.3.1
- Date: 2 Nov 92 16:43:13 GMT
-
- From: gb@cs.purdue.edu (Gerald Baumgartner)
- Newsgroups: gnu.g++.bug
- Subject: GCC 2.3.1: incorrect error reporting in cp-decl.c, includes bug fix
- Date: 2 Nov 92 20:15:13 GMT
-
- From: eric@pau.synnet.com (Eric Baur)
- Newsgroups: gnu.gcc.bug
- Subject: gcc-2.3.1 build problem under i386-mach
- Date: 3 Nov 92 19:01:53 GMT
-
- If you have further questions, contact
- Doug Moore
- (dougm@cs.rice.edu)
-
-