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Mikael Morin d56bf41945 libgfortran: Don't skip allocation if size is zero [PR112412] 
In the function template of transformational functions doing a reduction
of an array along one dimension, if the passed in result array was
unallocated and the calculated allocation size was zero (this is the case
of empty result arrays), an early return used to skip the allocation.  This
change moves the allocation before the early return, so that empty result
arrays are not seen as unallocated.  This is possible because zero size is
explicitly supported by the allocation function.

The offending code is present in several places, and this updates them all.
More precisely, there is one place in the template for logical reductions,
and there are two places in the templates corresponding to masked reductions
with respectively array mask and scalar mask.  Templates for unmasked
reductions, which already allocate before returning, are not affected, but
unmasked reductions are checked nevertheless in the testcase.  The affected
m4 files are ifunction.m4 for regular functions and types, ifunction-s.m4
for character minloc and maxloc, ifunction-s2.m4 for character minval and
maxval, and ifunction_logical for logical reductions.

	PR fortran/112412

libgfortran/ChangeLog:

	* m4/ifunction.m4 (START_MASKED_ARRAY_FUNCTION, SCALAR_ARRAY_FUNCTION):
	Don't skip allocation if the allocation size is zero.
	* m4/ifunction-s.m4 (START_MASKED_ARRAY_FUNCTION,
	SCALAR_ARRAY_FUNCTION): Ditto.
	* m4/ifunction-s2.m4 (START_MASKED_ARRAY_FUNCTION,
	SCALAR_ARRAY_FUNCTION): Ditto.
	* m4/ifunction_logical.m4 (START_ARRAY_FUNCTION): Ditto.
	* generated/all_l1.c: Regenerate.
	* generated/all_l16.c: Regenerate.
	* generated/all_l2.c: Regenerate.
	* generated/all_l4.c: Regenerate.
	* generated/all_l8.c: Regenerate.
	* generated/any_l1.c: Regenerate.
	* generated/any_l16.c: Regenerate.
	* generated/any_l2.c: Regenerate.
	* generated/any_l4.c: Regenerate.
	* generated/any_l8.c: Regenerate.
	* generated/count_16_l.c: Regenerate.
	* generated/count_1_l.c: Regenerate.
	* generated/count_2_l.c: Regenerate.
	* generated/count_4_l.c: Regenerate.
	* generated/count_8_l.c: Regenerate.
	* generated/iall_i1.c: Regenerate.
	* generated/iall_i16.c: Regenerate.
	* generated/iall_i2.c: Regenerate.
	* generated/iall_i4.c: Regenerate.
	* generated/iall_i8.c: Regenerate.
	* generated/iany_i1.c: Regenerate.
	* generated/iany_i16.c: Regenerate.
	* generated/iany_i2.c: Regenerate.
	* generated/iany_i4.c: Regenerate.
	* generated/iany_i8.c: Regenerate.
	* generated/iparity_i1.c: Regenerate.
	* generated/iparity_i16.c: Regenerate.
	* generated/iparity_i2.c: Regenerate.
	* generated/iparity_i4.c: Regenerate.
	* generated/iparity_i8.c: Regenerate.
	* generated/maxloc1_16_i1.c: Regenerate.
	* generated/maxloc1_16_i16.c: Regenerate.
	* generated/maxloc1_16_i2.c: Regenerate.
	* generated/maxloc1_16_i4.c: Regenerate.
	* generated/maxloc1_16_i8.c: Regenerate.
	* generated/maxloc1_16_r10.c: Regenerate.
	* generated/maxloc1_16_r16.c: Regenerate.
	* generated/maxloc1_16_r17.c: Regenerate.
	* generated/maxloc1_16_r4.c: Regenerate.
	* generated/maxloc1_16_r8.c: Regenerate.
	* generated/maxloc1_16_s1.c: Regenerate.
	* generated/maxloc1_16_s4.c: Regenerate.
	* generated/maxloc1_4_i1.c: Regenerate.
	* generated/maxloc1_4_i16.c: Regenerate.
	* generated/maxloc1_4_i2.c: Regenerate.
	* generated/maxloc1_4_i4.c: Regenerate.
	* generated/maxloc1_4_i8.c: Regenerate.
	* generated/maxloc1_4_r10.c: Regenerate.
	* generated/maxloc1_4_r16.c: Regenerate.
	* generated/maxloc1_4_r17.c: Regenerate.
	* generated/maxloc1_4_r4.c: Regenerate.
	* generated/maxloc1_4_r8.c: Regenerate.
	* generated/maxloc1_4_s1.c: Regenerate.
	* generated/maxloc1_4_s4.c: Regenerate.
	* generated/maxloc1_8_i1.c: Regenerate.
	* generated/maxloc1_8_i16.c: Regenerate.
	* generated/maxloc1_8_i2.c: Regenerate.
	* generated/maxloc1_8_i4.c: Regenerate.
	* generated/maxloc1_8_i8.c: Regenerate.
	* generated/maxloc1_8_r10.c: Regenerate.
	* generated/maxloc1_8_r16.c: Regenerate.
	* generated/maxloc1_8_r17.c: Regenerate.
	* generated/maxloc1_8_r4.c: Regenerate.
	* generated/maxloc1_8_r8.c: Regenerate.
	* generated/maxloc1_8_s1.c: Regenerate.
	* generated/maxloc1_8_s4.c: Regenerate.
	* generated/maxval1_s1.c: Regenerate.
	* generated/maxval1_s4.c: Regenerate.
	* generated/maxval_i1.c: Regenerate.
	* generated/maxval_i16.c: Regenerate.
	* generated/maxval_i2.c: Regenerate.
	* generated/maxval_i4.c: Regenerate.
	* generated/maxval_i8.c: Regenerate.
	* generated/maxval_r10.c: Regenerate.
	* generated/maxval_r16.c: Regenerate.
	* generated/maxval_r17.c: Regenerate.
	* generated/maxval_r4.c: Regenerate.
	* generated/maxval_r8.c: Regenerate.
	* generated/minloc1_16_i1.c: Regenerate.
	* generated/minloc1_16_i16.c: Regenerate.
	* generated/minloc1_16_i2.c: Regenerate.
	* generated/minloc1_16_i4.c: Regenerate.
	* generated/minloc1_16_i8.c: Regenerate.
	* generated/minloc1_16_r10.c: Regenerate.
	* generated/minloc1_16_r16.c: Regenerate.
	* generated/minloc1_16_r17.c: Regenerate.
	* generated/minloc1_16_r4.c: Regenerate.
	* generated/minloc1_16_r8.c: Regenerate.
	* generated/minloc1_16_s1.c: Regenerate.
	* generated/minloc1_16_s4.c: Regenerate.
	* generated/minloc1_4_i1.c: Regenerate.
	* generated/minloc1_4_i16.c: Regenerate.
	* generated/minloc1_4_i2.c: Regenerate.
	* generated/minloc1_4_i4.c: Regenerate.
	* generated/minloc1_4_i8.c: Regenerate.
	* generated/minloc1_4_r10.c: Regenerate.
	* generated/minloc1_4_r16.c: Regenerate.
	* generated/minloc1_4_r17.c: Regenerate.
	* generated/minloc1_4_r4.c: Regenerate.
	* generated/minloc1_4_r8.c: Regenerate.
	* generated/minloc1_4_s1.c: Regenerate.
	* generated/minloc1_4_s4.c: Regenerate.
	* generated/minloc1_8_i1.c: Regenerate.
	* generated/minloc1_8_i16.c: Regenerate.
	* generated/minloc1_8_i2.c: Regenerate.
	* generated/minloc1_8_i4.c: Regenerate.
	* generated/minloc1_8_i8.c: Regenerate.
	* generated/minloc1_8_r10.c: Regenerate.
	* generated/minloc1_8_r16.c: Regenerate.
	* generated/minloc1_8_r17.c: Regenerate.
	* generated/minloc1_8_r4.c: Regenerate.
	* generated/minloc1_8_r8.c: Regenerate.
	* generated/minloc1_8_s1.c: Regenerate.
	* generated/minloc1_8_s4.c: Regenerate.
	* generated/minval1_s1.c: Regenerate.
	* generated/minval1_s4.c: Regenerate.
	* generated/minval_i1.c: Regenerate.
	* generated/minval_i16.c: Regenerate.
	* generated/minval_i2.c: Regenerate.
	* generated/minval_i4.c: Regenerate.
	* generated/minval_i8.c: Regenerate.
	* generated/minval_r10.c: Regenerate.
	* generated/minval_r16.c: Regenerate.
	* generated/minval_r17.c: Regenerate.
	* generated/minval_r4.c: Regenerate.
	* generated/minval_r8.c: Regenerate.
	* generated/product_c10.c: Regenerate.
	* generated/product_c16.c: Regenerate.
	* generated/product_c17.c: Regenerate.
	* generated/product_c4.c: Regenerate.
	* generated/product_c8.c: Regenerate.
	* generated/product_i1.c: Regenerate.
	* generated/product_i16.c: Regenerate.
	* generated/product_i2.c: Regenerate.
	* generated/product_i4.c: Regenerate.
	* generated/product_i8.c: Regenerate.
	* generated/product_r10.c: Regenerate.
	* generated/product_r16.c: Regenerate.
	* generated/product_r17.c: Regenerate.
	* generated/product_r4.c: Regenerate.
	* generated/product_r8.c: Regenerate.
	* generated/sum_c10.c: Regenerate.
	* generated/sum_c16.c: Regenerate.
	* generated/sum_c17.c: Regenerate.
	* generated/sum_c4.c: Regenerate.
	* generated/sum_c8.c: Regenerate.
	* generated/sum_i1.c: Regenerate.
	* generated/sum_i16.c: Regenerate.
	* generated/sum_i2.c: Regenerate.
	* generated/sum_i4.c: Regenerate.
	* generated/sum_i8.c: Regenerate.
	* generated/sum_r10.c: Regenerate.
	* generated/sum_r16.c: Regenerate.
	* generated/sum_r17.c: Regenerate.
	* generated/sum_r4.c: Regenerate.
	* generated/sum_r8.c: Regenerate.

gcc/testsuite/ChangeLog:

	* gfortran.dg/allocated_4.f90: New test.
2023-11-08 12:32:18 +01:00
.github Minor formatting fix for newly-added file from previous commit 2023-11-01 19:28:56 -04:00
c++tools Daily bump. 2023-06-23 00:16:38 +00:00
config Daily bump. 2023-09-16 00:17:55 +00:00
contrib Daily bump. 2023-10-06 00:17:37 +00:00
fixincludes Daily bump. 2023-10-31 00:17:32 +00:00
gcc libgfortran: Don't skip allocation if size is zero [PR112412] 2023-11-08 12:32:18 +01:00
gnattools Daily bump. 2023-04-26 00:17:46 +00:00
gotools Daily bump. 2023-11-04 00:16:45 +00:00
include Daily bump. 2023-11-08 00:17:35 +00:00
INSTALL
intl Daily bump. 2023-08-08 00:17:37 +00:00
libada Daily bump. 2023-08-08 00:17:37 +00:00
libatomic Daily bump. 2023-10-27 00:17:12 +00:00
libbacktrace Daily bump. 2023-10-23 00:16:43 +00:00
libcc1 Daily bump. 2023-10-23 00:16:43 +00:00
libcody Daily bump. 2023-06-16 00:17:18 +00:00
libcpp Daily bump. 2023-11-08 00:17:35 +00:00
libdecnumber Daily bump. 2023-06-16 00:17:18 +00:00
libffi Daily bump. 2023-10-27 00:17:12 +00:00
libgcc Daily bump. 2023-11-08 00:17:35 +00:00
libgfortran libgfortran: Don't skip allocation if size is zero [PR112412] 2023-11-08 12:32:18 +01:00
libgm2 Daily bump. 2023-10-28 00:16:37 +00:00
libgo syscall: add missing type conversion 2023-10-23 14:03:10 -07:00
libgomp Daily bump. 2023-11-08 00:17:35 +00:00
libiberty Daily bump. 2023-08-23 00:17:59 +00:00
libitm Daily bump. 2023-10-23 00:16:43 +00:00
libobjc Daily bump. 2023-10-23 00:16:43 +00:00
libphobos Daily bump. 2023-11-03 00:16:58 +00:00
libquadmath Daily bump. 2023-10-24 00:17:34 +00:00
libsanitizer Daily bump. 2023-10-23 00:16:43 +00:00
libssp Daily bump. 2023-10-23 00:16:43 +00:00
libstdc++-v3 Daily bump. 2023-11-08 00:17:35 +00:00
libvtv Daily bump. 2023-10-23 00:16:43 +00:00
lto-plugin Daily bump. 2023-10-23 00:16:43 +00:00
maintainer-scripts Daily bump. 2023-07-08 00:16:53 +00:00
zlib Daily bump. 2023-10-23 00:16:43 +00:00
.dir-locals.el
.gitattributes
.gitignore .gitignore: do not ignore config.h 2022-07-19 17:07:04 +03:00
ABOUT-NLS
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ChangeLog Daily bump. 2023-11-07 00:17:18 +00:00
ChangeLog.jit
ChangeLog.tree-ssa
compile
config-ml.in LoongArch: Reimplement multilib build option handling. 2023-09-15 10:42:12 +08:00
config.guess
config.rpath
config.sub
configure Config,Darwin: Allow for configuring Darwin to use embedded runpath. 2023-10-22 19:30:02 +01:00
configure.ac Config,Darwin: Allow for configuring Darwin to use embedded runpath. 2023-10-22 19:30:02 +01:00
COPYING
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depcomp
install-sh
libtool-ldflags
libtool.m4 Config,Darwin: Allow for configuring Darwin to use embedded runpath. 2023-10-22 19:30:02 +01:00
ltgcc.m4
ltmain.sh
ltoptions.m4
ltsugar.m4
ltversion.m4
lt~obsolete.m4
MAINTAINERS MAINTAINERS: Update my email address 2023-11-06 17:24:11 -05:00
Makefile.def sim: add distclean dep for gnulib 2023-10-15 22:40:42 +05:45
Makefile.in sim: add distclean dep for gnulib 2023-10-15 22:40:42 +05:45
Makefile.tpl Makefile.tpl: disable -Werror for feedback stage [PR111663] 2023-10-06 20:25:20 +01:00
missing
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