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| author | Thomas Koenig <tkoenig@gcc.gnu.org> | 2011-06-28 18:59:04 +0000 |
|---|---|---|
| committer | Thomas Koenig <tkoenig@gcc.gnu.org> | 2011-06-28 18:59:04 +0000 |
| commit | 19b76346c046b95ee4360a5c35d1e3a846aba6f4 (patch) | |
| tree | 065be10e884faa1cf29e82bd342b95d03ee62f80 /libgfortran/m4 | |
| parent | 6138f9bd8783881a1bd7dcfb917a3bfcefcf8cf9 (diff) | |
| download | gcc-19b76346c046b95ee4360a5c35d1e3a846aba6f4.zip gcc-19b76346c046b95ee4360a5c35d1e3a846aba6f4.tar.gz gcc-19b76346c046b95ee4360a5c35d1e3a846aba6f4.tar.bz2 | |
re PR fortran/49479 (reshape / optionals / zero sized arrays)
2011-06-28 Thomas Koenig <tkoenig@gcc.gnu.org>
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 <tkoenig@gcc.gnu.org>
PR fortran/49479
* gfortran.dg/reshape_zerosize_3.f90: New test.
From-SVN: r175594
Diffstat (limited to 'libgfortran/m4')
| -rw-r--r-- | libgfortran/m4/reshape.m4 | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/libgfortran/m4/reshape.m4 b/libgfortran/m4/reshape.m4 index 4052a5e..d1486f3 100644 --- a/libgfortran/m4/reshape.m4 +++ b/libgfortran/m4/reshape.m4 @@ -101,6 +101,8 @@ reshape_'rtype_ccode` ('rtype` * const restrict ret, if (ret->data == NULL) { + index_type alloc_size; + rs = 1; for (n = 0; n < rdim; n++) { @@ -111,7 +113,13 @@ reshape_'rtype_ccode` ('rtype` * const restrict ret, rs *= rex; } ret->offset = 0; - ret->data = internal_malloc_size ( rs * sizeof ('rtype_name`)); + + if (unlikely (rs < 1)) + alloc_size = 1; + else + alloc_size = rs * sizeof ('rtype_name`); + + ret->data = internal_malloc_size (alloc_size); ret->dtype = (source->dtype & ~GFC_DTYPE_RANK_MASK) | rdim; } |