| C Causes internal compiler error on egcs 1.0.1 on i586-pc-sco3.2v5.0.4 |
| C To: egcs-bugs@cygnus.com |
| C Subject: backend case range problem/fix |
| C From: Dave Love <d.love@dl.ac.uk> |
| C Date: 02 Dec 1997 18:11:35 +0000 |
| C Message-ID: <rzqpvnfboo8.fsf@djlvig.dl.ac.uk> |
| C |
| C The following Fortran test case aborts the compiler because |
| C tree_int_cst_lt dereferences a null tree; this is a regression from |
| C gcc 2.7. |
| |
| INTEGER N |
| READ(*,*) N |
| SELECT CASE (N) |
| CASE (1:) |
| WRITE(*,*) 'case 1' |
| CASE (0) |
| WRITE(*,*) 'case 0' |
| END SELECT |
| END |
| |
| C The relevant change to cure this is: |
| C |
| C Thu Dec 4 06:34:40 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> |
| C |
| C * stmt.c (pushcase_range): Clean up handling of "infinite" values. |
| C |
| |
