From 19b76346c046b95ee4360a5c35d1e3a846aba6f4 Mon Sep 17 00:00:00 2001 From: Thomas Koenig Date: Tue, 28 Jun 2011 18:59:04 +0000 Subject: re PR fortran/49479 (reshape / optionals / zero sized arrays) 2011-06-28 Thomas Koenig PR fortran/49479 * m4/reshape.m4: If source allocation is smaller than one, set it to one. * intrinsics/reshape_generic.c: Likewise. * generated/reshape_r16.c: Regenerated. * generated/reshape_c4.c: Regenerated. * generated/reshape_c16.c: Regenerated. * generated/reshape_c8.c: Regenerated. * generated/reshape_r4.c: Regenerated. * generated/reshape_i4.c: Regenerated. * generated/reshape_r10.c: Regenerated. * generated/reshape_r8.c: Regenerated. * generated/reshape_c10.c: Regenerated. * generated/reshape_i8.c: Regenerated. * generated/reshape_i16.c: Regenerated. 2011-06-28 Thomas Koenig PR fortran/49479 * gfortran.dg/reshape_zerosize_3.f90: New test. From-SVN: r175594 --- libgfortran/intrinsics/reshape_generic.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) (limited to 'libgfortran/intrinsics/reshape_generic.c') diff --git a/libgfortran/intrinsics/reshape_generic.c b/libgfortran/intrinsics/reshape_generic.c index bb1552aa433..5b39711cea6 100644 --- a/libgfortran/intrinsics/reshape_generic.c +++ b/libgfortran/intrinsics/reshape_generic.c @@ -85,6 +85,8 @@ reshape_internal (parray *ret, parray *source, shape_type *shape, if (ret->data == NULL) { + index_type alloc_size; + rs = 1; for (n = 0; n < rdim; n++) { @@ -95,7 +97,14 @@ reshape_internal (parray *ret, parray *source, shape_type *shape, rs *= rex; } ret->offset = 0; - ret->data = internal_malloc_size ( rs * size ); + + if (unlikely (rs < 1)) + alloc_size = 1; + else + alloc_size = rs * size; + + ret->data = internal_malloc_size (alloc_size); + ret->dtype = (source->dtype & ~GFC_DTYPE_RANK_MASK) | rdim; } -- cgit v1.2.1