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/generated/reshape_r4.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) (limited to 'libgfortran/generated/reshape_r4.c') diff --git a/libgfortran/generated/reshape_r4.c b/libgfortran/generated/reshape_r4.c index e7bfbfb..2b859fc 100644 --- a/libgfortran/generated/reshape_r4.c +++ b/libgfortran/generated/reshape_r4.c @@ -97,6 +97,8 @@ reshape_r4 (gfc_array_r4 * const restrict ret, if (ret->data == NULL) { + index_type alloc_size; + rs = 1; for (n = 0; n < rdim; n++) { @@ -107,7 +109,13 @@ reshape_r4 (gfc_array_r4 * const restrict ret, rs *= rex; } ret->offset = 0; - ret->data = internal_malloc_size ( rs * sizeof (GFC_REAL_4)); + + if (unlikely (rs < 1)) + alloc_size = 1; + else + alloc_size = rs * sizeof (GFC_REAL_4); + + ret->data = internal_malloc_size (alloc_size); ret->dtype = (source->dtype & ~GFC_DTYPE_RANK_MASK) | rdim; } -- cgit v1.1