1C Causes internal compiler error on egcs 1.0.1 on i586-pc-sco3.2v5.0.4
2C To: egcs-bugs@cygnus.com
3C Subject: backend case range problem/fix
4C From: Dave Love <d.love@dl.ac.uk>
5C Date: 02 Dec 1997 18:11:35 +0000
6C Message-ID: <rzqpvnfboo8.fsf@djlvig.dl.ac.uk>
7C
8C The following Fortran test case aborts the compiler because
9C tree_int_cst_lt dereferences a null tree; this is a regression from
10C gcc 2.7.
11
12      INTEGER N
13      READ(*,*) N
14      SELECT CASE (N)
15        CASE (1:)
16           WRITE(*,*) 'case 1'
17        CASE (0)
18           WRITE(*,*) 'case 0'
19      END SELECT
20      END
21
22C The relevant change to cure this is:
23C
24C Thu Dec  4 06:34:40 1997  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
25C
26C       * stmt.c (pushcase_range): Clean up handling of "infinite" values.
27C
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