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From: "fxcoudert at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug libfortran/27784] [4.1 only] Comparison of strings with char(0) Date: Tue, 20 Jun 2006 06:04:00 -0000 [thread overview] Message-ID: <20060620060429.26494.qmail@sourceware.org> (raw) In-Reply-To: <bug-27784-10391@http.gcc.gnu.org/bugzilla/> ------- Comment #5 from fxcoudert at gcc dot gnu dot org 2006-06-20 06:04 ------- Subject: Bug 27784 Author: fxcoudert Date: Tue Jun 20 06:04:14 2006 New Revision: 114803 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=114803 Log: 2006-06-20 Francois-Xavier Coudert <coudert@clipper.ens.fr> PR fortran/27958 * trans-expr.c (gfc_conv_substring): If the substring start is greater than its end, the length of the substring is zero, and not negative. (gfc_trans_string_copy): Don't generate a call to _gfortran_copy_string when destination length is zero. 2006-06-20 Francois-Xavier Coudert <coudert@clipper.ens.fr> PR libfortran/27895 * resolve.c (compute_last_value_for_triplet): New function. (check_dimension): Correctly handle zero-sized array sections. Add checking on last element of array sections. 2006-06-20 Francois-Xavier Coudert <coudert@clipper.ens.fr> * trans.c (gfc_msg_bounds, gfc_msg_fault, gfc_msg_wrong_return): Add strings for common runtime error messages. (gfc_trans_runtime_check): Add a locus argument, use a string and not a string tree for the message. * trans.h (gfc_trans_runtime_check): Change prototype accordingly. (gfc_msg_bounds, gfc_msg_fault, gfc_msg_wrong_return): Add proto. * trans-const.c (gfc_strconst_bounds, gfc_strconst_fault, gfc_strconst_wrong_return, gfc_strconst_current_filename): Remove. (gfc_init_constants): Likewise. * trans-const.h: Likewise. * trans-decl.c (gfc_build_builtin_function_decls): Call to _gfortran_runtime_error has only one argument, the message string. * trans-array.h (gfc_conv_array_ref): Add a symbol argument and a locus. * trans-array.c (gfc_trans_array_bound_check): Build precise error messages. (gfc_conv_array_ref): Use the new symbol argument and the locus to build more precise error messages. (gfc_conv_ss_startstride): More precise error messages. * trans-expr.c (gfc_conv_variable): Give symbol reference and locus to gfc_conv_array_ref. (gfc_conv_function_call): Use the new prototype for gfc_trans_runtime_check. * trans-stmt.c (gfc_trans_goto): Build more precise error message. * trans-io.c (set_string): Likewise. * trans-intrinsic.c (gfc_conv_intrinsic_bound): Use new prototype for gfc_trans_runtime_check. 2006-06-20 Thomas Koenig <Thomas.Koenig@online.de> PR fortran/27715 * arith.c: Cast the characters from the strings to unsigned char to avoid values less than 0 for extended ASCII. 2006-06-20 Thomas Koenig <Thomas.Koenig@online.de> PR libfortran/27784 * intrinsics/string_intrinsics.c (compare_string): Use memcmp instead of strncmp to avoid tripping over CHAR(0) in a string. 2006-06-20 Francois-Xavier Coudert <coudert@clipper.ens.fr> PR fortran/27958 * gcc/testsuite/gfortran.dg/substr_2.f: New test. 2006-06-20 Francois-Xavier Coudert <coudert@clipper.ens.fr> PR libfortran/27895 * gfortran.dg/bounds_check_3.f90: New test. 2006-06-20 Thomas Koenig <Thomas.Koenig@online.de> PR fortran/27715 * gfortran.dg/extended_char_comparison_1.f: New test. 2006-06-20 Thomas Koenig <Thomas.Koenig@online.de> PR fortran/27784 * gfortran.dg/string_null_compare_1.f: New test case. Added: branches/gcc-4_1-branch/gcc/testsuite/gfortran.dg/bounds_check_3.f90 - copied unchanged from r114414, trunk/gcc/testsuite/gfortran.dg/bounds_check_3.f90 branches/gcc-4_1-branch/gcc/testsuite/gfortran.dg/extended_char_comparison_1.f - copied unchanged from r114317, trunk/gcc/testsuite/gfortran.dg/extended_char_comparison_1.f branches/gcc-4_1-branch/gcc/testsuite/gfortran.dg/string_null_compare_1.f - copied unchanged from r114175, trunk/gcc/testsuite/gfortran.dg/string_null_compare_1.f branches/gcc-4_1-branch/gcc/testsuite/gfortran.dg/substr_2.f - copied unchanged from r114496, trunk/gcc/testsuite/gfortran.dg/substr_2.f Modified: branches/gcc-4_1-branch/gcc/fortran/ChangeLog branches/gcc-4_1-branch/gcc/fortran/arith.c branches/gcc-4_1-branch/gcc/fortran/resolve.c branches/gcc-4_1-branch/gcc/fortran/trans-array.c branches/gcc-4_1-branch/gcc/fortran/trans-array.h branches/gcc-4_1-branch/gcc/fortran/trans-const.c branches/gcc-4_1-branch/gcc/fortran/trans-const.h branches/gcc-4_1-branch/gcc/fortran/trans-decl.c branches/gcc-4_1-branch/gcc/fortran/trans-expr.c branches/gcc-4_1-branch/gcc/fortran/trans-intrinsic.c branches/gcc-4_1-branch/gcc/fortran/trans-io.c branches/gcc-4_1-branch/gcc/fortran/trans-stmt.c branches/gcc-4_1-branch/gcc/fortran/trans.c branches/gcc-4_1-branch/gcc/fortran/trans.h branches/gcc-4_1-branch/gcc/testsuite/ChangeLog branches/gcc-4_1-branch/libgfortran/ChangeLog branches/gcc-4_1-branch/libgfortran/intrinsics/string_intrinsics.c -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27784
next prev parent reply other threads:[~2006-06-20 6:04 UTC|newest] Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top 2006-05-28 11:12 [Bug libfortran/27784] New: " tkoenig at gcc dot gnu dot org 2006-05-28 14:04 ` [Bug libfortran/27784] " tkoenig at gcc dot gnu dot org 2006-05-28 15:49 ` fxcoudert at gcc dot gnu dot org 2006-05-28 16:05 ` tkoenig at gcc dot gnu dot org 2006-05-28 16:28 ` fxcoudert at gcc dot gnu dot org 2006-06-19 22:27 ` [Bug libfortran/27784] [4.1 only] " fxcoudert at gcc dot gnu dot org 2006-06-20 6:04 ` fxcoudert at gcc dot gnu dot org [this message] 2006-06-20 6:14 ` [Bug libfortran/27784] " fxcoudert at gcc dot gnu dot org
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