C unable to confirm this bug on egcs 1.0.1 for i586-pc-sco3.2v5.0.4 robertl C C Date: Sat, 23 Aug 1997 00:47:53 -0400 (EDT) C From: David Bristow C To: egcs-bugs@cygnus.com C Subject: g77 crashes compiling Dungeon C Message-ID: C C The following small segment of Dungeon (the adventure that became the C commercial hit Zork) causes an internal error in f771. The platform is C i586-pc-linux-gnulibc1, the compiler is egcs-ss-970821 (g77-GNU Fortran C 0.5.21-19970811) C C --cut here--cut here--cut here--cut here--cut here--cut here-- C g77 --verbose -fugly -fvxt -c subr_.f C g77 version 0.5.21-19970811 C gcc --verbose -fugly -fvxt -xf77 subr_.f -xnone -lf2c -lm C Reading specs from /usr/lib/gcc-lib/i586-pc-linux-gnulibc1/egcs-2.90.01/specs C gcc version egcs-2.90.01 970821 (gcc2-970802 experimental) C /usr/lib/gcc-lib/i586-pc-linux-gnulibc1/egcs-2.90.01/f771 subr_.f -fset-g77-defaults -quiet -dumpbase subr_.f -version -fversion -fugly -fvxt -o /tmp/cca23974.s C f771: warning: -fugly is overloaded with meanings and likely to be removed; C f771: warning: use only the specific -fugly-* options you need C GNU F77 version egcs-2.90.01 970821 (gcc2-970802 experimental) (i586-pc-linux-gnulibc1) compiled by GNU C version egcs-2.90.01 970821 (gcc2-970802 experimental). C GNU Fortran Front End version 0.5.21-19970811 C f/com.c:941: failed assertion `TYPE_PRECISION (type) <= TYPE_PRECISION (TREE_TYPE (e))' C gcc: Internal compiler error: program f771 got fatal signal 6 C --cut here--cut here--cut here--cut here--cut here--cut here-- C C Here's the FORTRAN code, it's basically a single subroutine from subr.f C in the Dungeon source, slightly altered (the original calls RAN(), which C doesn't exist in the g77 runtime) C C RND - Return a random integer mod n C INTEGER FUNCTION RND (N) IMPLICIT INTEGER (A-Z) REAL RAND COMMON /SEED/ RNSEED RND = RAND(RNSEED)*FLOAT(N) RETURN END