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| author | Harald Anlauf <anlauf@gmx.de> | 2020-06-11 15:48:56 +0200 |
|---|---|---|
| committer | Harald Anlauf <anlauf@gmx.de> | 2020-06-11 15:48:56 +0200 |
| commit | 87af4f40453a9c84363bde5d9a58466de7fbee2e (patch) | |
| tree | 8a7f277fa8fb83a85bd7efdaffbd4a01885f817e /gcc | |
| parent | 2ee70f5d161edd99a7af97d166b251bcf83cd91b (diff) | |
| download | gcc-87af4f40453a9c84363bde5d9a58466de7fbee2e.zip gcc-87af4f40453a9c84363bde5d9a58466de7fbee2e.tar.gz gcc-87af4f40453a9c84363bde5d9a58466de7fbee2e.tar.bz2 | |
PR fortran/95503 - Fix ICE in gfc_is_simply_contiguous, at fortran/expr.c:5844
The check for assigning a pointer that cannot be determined to be simply
contiguous at compile time to a contiguous pointer does not need to be
invoked if the lhs of the assignment is known to have conflicting attributes.
2020-06-11 Harald Anlauf <anlauf@gmx.de>
gcc/fortran/
PR fortran/95503
* expr.c (gfc_check_pointer_assign): Skip contiguity check of rhs
of pointer assignment if lhs cannot be simply contiguous.
gcc/testsuite/
PR fortran/95503
* gfortran.dg/pr95503.f90: New test.
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/fortran/expr.c | 4 | ||||
| -rw-r--r-- | gcc/testsuite/gfortran.dg/pr95503.f90 | 7 |
2 files changed, 10 insertions, 1 deletions
diff --git a/gcc/fortran/expr.c b/gcc/fortran/expr.c index a9fa03a..8daa7bb 100644 --- a/gcc/fortran/expr.c +++ b/gcc/fortran/expr.c @@ -4346,7 +4346,9 @@ gfc_check_pointer_assign (gfc_expr *lvalue, gfc_expr *rvalue, contiguous. Be lenient in the definition of what counts as contiguous. */ - if (lhs_attr.contiguous && !gfc_is_simply_contiguous (rvalue, false, true)) + if (lhs_attr.contiguous + && lhs_attr.dimension > 0 + && !gfc_is_simply_contiguous (rvalue, false, true)) gfc_warning (OPT_Wextra, "Assignment to contiguous pointer from " "non-contiguous target at %L", &rvalue->where); diff --git a/gcc/testsuite/gfortran.dg/pr95503.f90 b/gcc/testsuite/gfortran.dg/pr95503.f90 new file mode 100644 index 0000000..4a202b4 --- /dev/null +++ b/gcc/testsuite/gfortran.dg/pr95503.f90 @@ -0,0 +1,7 @@ +! { dg-do compile } +! PR fortran/95503 - ICE in gfc_is_simply_contiguous + +program p + complex, target :: a + real, pointer, contiguous :: b => a%re ! { dg-error "not an array pointer" } +end |