testsuite: Fix false Fortran regressions with recent gcc
gcc-4.9.2-6.fc21.x86_64 -> gcc-5.3.1-2.fc23.x86_64 -PASS: gdb.fortran/vla-ptype.exp: ptype pvla not initialized +FAIL: gdb.fortran/vla-ptype.exp: ptype pvla not initialized -PASS: gdb.fortran/vla-history.exp: print vla1 allocated +FAIL: gdb.fortran/vla-history.exp: print vla1 allocated -PASS: gdb.fortran/vla-history.exp: print $2 +FAIL: gdb.fortran/vla-history.exp: print $2 -PASS: gdb.fortran/vla-value.exp: print undefined pvla +FAIL: gdb.fortran/vla-value.exp: print undefined pvla -PASS: gdb.fortran/vla-value.exp: print non-associated &pvla +FAIL: gdb.fortran/vla-value.exp: print non-associated &pvla -PASS: gdb.fortran/vla-value.exp: print undefined pvla(1,3,8) +FAIL: gdb.fortran/vla-value.exp: print undefined pvla(1,3,8) These issues get fixed (or removed if no longer applicable) by attached patch. It is based on Googled: http://www.cs.rpi.edu/~szymansk/OOF90/bugs.html#5 When a pointer is declared its status is undefined, and cannot be safely queried with the associated intrinsic. -> nullify(VARNAME) + https://software.intel.com/en-us/forums/intel-fortran-compiler-for-linux-and-mac-os-x/topic/268786 ALLOCATE is not supposed to initialize the array. -> Remove checks like an initial print is: \\( *0, *0, *0...\\) These regressions remain: -PASS: gdb.fortran/library-module.exp: print var_i in lib +FAIL: gdb.fortran/library-module.exp: print var_i in lib -PASS: gdb.fortran/library-module.exp: print var_i in main +FAIL: gdb.fortran/library-module.exp: print var_i in main I believe it is more a GDB bug (in a code contributed by me), filed: gdb.fortran/library-module.exp false regression on GCC upgrade https://sourceware.org/bugzilla/show_bug.cgi?id=19635 gdb/testsuite/ChangeLog 2016-02-14 Jan Kratochvil <jan.kratochvil@redhat.com> Fix compatibility with recent gfortran-5.3.1. * gdb.fortran/vla-history.exp (print vla1 allocated) (print vla2 allocated, print $2, print $3): Remove (print $4): Rename to ... (print $2): ... here. (print $9): Rename to ... (print $5): ... here. (print $10): Rename to ... (print $6): ... here. * gdb.fortran/vla.f90: Add pvla initialization.
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parent
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@ -1,3 +1,16 @@
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2016-02-14 Jan Kratochvil <jan.kratochvil@redhat.com>
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Fix compatibility with recent gfortran-5.3.1.
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* gdb.fortran/vla-history.exp (print vla1 allocated)
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(print vla2 allocated, print $2, print $3): Remove
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(print $4): Rename to ...
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(print $2): ... here.
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(print $9): Rename to ...
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(print $5): ... here.
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(print $10): Rename to ...
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(print $6): ... here.
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* gdb.fortran/vla.f90: Add pvla initialization.
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2016-02-14 Jan Kratochvil <jan.kratochvil@redhat.com>
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* gdb.fortran/vla-value-sub-finish.exp (set max-value-size 1024*1024):
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@ -32,10 +32,6 @@ gdb_test "print vla1" " = <not allocated>" "print non-allocated vla1"
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gdb_breakpoint [gdb_get_line_number "vla2-allocated"]
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gdb_continue_to_breakpoint "vla2-allocated"
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gdb_test "print vla1" " = \\( *\\( *\\( *0, *0, *0,\[()0, .\]*\\)" \
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"print vla1 allocated"
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gdb_test "print vla2" " = \\( *\\( *\\( *0, *0, *0,\[()0, .\]*\\)" \
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"print vla2 allocated"
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gdb_breakpoint [gdb_get_line_number "vla1-filled"]
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gdb_continue_to_breakpoint "vla1-filled"
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@ -45,12 +41,8 @@ gdb_test "print vla1" \
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# Try to access history values for full vla prints.
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gdb_test "print \$1" " = <not allocated>" "print \$1"
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gdb_test "print \$2" " = \\( *\\( *\\( *0, *0, *0,\[()0, .\]*\\)" \
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"print \$2"
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gdb_test "print \$3" " = \\( *\\( *\\( *0, *0, *0,\[()0, .\]*\\)" \
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"print \$3"
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gdb_test "print \$4" \
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" = \\( *\\( *\\( *1311, *1311, *1311,\[()1311, .\]*\\)" "print \$4"
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gdb_test "print \$2" \
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" = \\( *\\( *\\( *1311, *1311, *1311,\[()1311, .\]*\\)" "print \$2"
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gdb_breakpoint [gdb_get_line_number "vla2-filled"]
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gdb_continue_to_breakpoint "vla2-filled"
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@ -58,5 +50,5 @@ gdb_test "print vla2(1,43,20)" " = 1311" "print vla2(1,43,20)"
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gdb_test "print vla1(1,3,8)" " = 1001" "print vla2(1,3,8)"
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# Try to access history values for vla values.
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gdb_test "print \$9" " = 1311" "print \$9"
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gdb_test "print \$10" " = 1001" "print \$10"
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gdb_test "print \$5" " = 1311" "print \$5"
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gdb_test "print \$6" " = 1001" "print \$6"
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@ -19,6 +19,7 @@ program vla
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real, target, allocatable :: vla3 (:, :)
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real, pointer :: pvla (:, :, :)
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logical :: l
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nullify(pvla)
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allocate (vla1 (10,10,10)) ! vla1-init
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l = allocated(vla1)
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