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Diffstat (limited to 'gcc/testsuite/gfortran.dg/g77/980310-1.f')
| -rw-r--r-- | gcc/testsuite/gfortran.dg/g77/980310-1.f | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/g77/980310-1.f b/gcc/testsuite/gfortran.dg/g77/980310-1.f new file mode 100644 index 000000000..303013337 --- /dev/null +++ b/gcc/testsuite/gfortran.dg/g77/980310-1.f @@ -0,0 +1,29 @@ +c { dg-do compile } +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 + |