* [Bug modula2/108143] LONGREAL and powerpc64le-linux
2022-12-16 10:09 [Bug modula2/108143] New: LONGREAL and powerpc64le-linux jakub at gcc dot gnu.org
@ 2022-12-16 11:03 ` rguenth at gcc dot gnu.org
2022-12-16 11:07 ` jakub at gcc dot gnu.org
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--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Since the frontend is "new" we might want to say m2 only supports IEEE long
double on powerpc?
^ permalink raw reply [flat|nested] 14+ messages in thread* [Bug modula2/108143] LONGREAL and powerpc64le-linux
2022-12-16 10:09 [Bug modula2/108143] New: LONGREAL and powerpc64le-linux jakub at gcc dot gnu.org
2022-12-16 11:03 ` [Bug modula2/108143] " rguenth at gcc dot gnu.org
@ 2022-12-16 11:07 ` jakub at gcc dot gnu.org
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--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
For powerpc64le-linux, yes, sure. The question is if Modula has any C (etc.)
interoperability and what would such a change mean to it.
And, long double uses in the library
find gcc/m2 -type f | xargs grep long.double | wc -l
222
seems to be in quite a few places, so some work would need to be done to
use some typedef that would be long double on most but _Float128 on
powerpc64le-linux.
Another problem is if the library uses libm that glibc only has the *f128
support
starting with glibc 2.26. So question is what to do if gcc is configured
against older glibc.
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2022-12-16 10:09 [Bug modula2/108143] New: LONGREAL and powerpc64le-linux jakub at gcc dot gnu.org
2022-12-16 11:03 ` [Bug modula2/108143] " rguenth at gcc dot gnu.org
2022-12-16 11:07 ` jakub at gcc dot gnu.org
@ 2022-12-16 15:08 ` gaius at gcc dot gnu.org
2022-12-16 15:46 ` segher at gcc dot gnu.org
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--- Comment #3 from Gaius Mulley <gaius at gcc dot gnu.org> ---
> find gcc/m2 -type f | xargs grep long.double | wc -l
> 222
its not perhaps quite as bad as 222, I think 100 cases as the directories
pge-boot and mc-boot contain machine generated source code.
find gcc/m2/pge-boot -type f | xargs grep long.double | wc -l
69
find gcc/m2/mc-boot -type f | xargs grep long.double | wc -l
53
happy to defer to your knowledge and implement what is decided
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--- Comment #4 from Segher Boessenkool <segher at gcc dot gnu.org> ---
(In reply to Richard Biener from comment #1)
> Since the frontend is "new" we might want to say m2 only supports IEEE long
> double on powerpc?
No, the vast majority of powerpc*-* targets only supports double and/or
double-double as long double.
^ permalink raw reply [flat|nested] 14+ messages in thread* [Bug modula2/108143] LONGREAL and powerpc64le-linux
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--- Comment #5 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Gaius Mulley <gaius@gcc.gnu.org>:
https://gcc.gnu.org/g:a724c6e93dfce3a86f9c0fbf8be4316c37dd5a40
commit r14-3346-ga724c6e93dfce3a86f9c0fbf8be4316c37dd5a40
Author: Gaius Mulley <gaiusmod2@gmail.com>
Date: Sun Aug 20 23:27:34 2023 +0100
PR modula2/111085 nexttoward and nexttowardf contain incorrect definitions
The definition for procedures nexttoward and nexttowardf contain
second incorrect parameter and return types. This bug was
discovered when attempting to resolve PR 108143 and is applied
separately and prior to PR 108143.
gcc/m2/ChangeLog:
PR modula2/111085
* gm2-libs/Builtins.def (nexttoward): Alter the second
parameter to LONGREAL.
(nexttowardf): Alter the second parameter to LONGREAL.
* gm2-libs/Builtins.mod (nexttoward): Alter the second
parameter to LONGREAL.
(nexttowardf): Alter the second parameter to LONGREAL.
* gm2-libs/cbuiltin.def (nexttoward): Alter the second
parameter to LONGREAL.
(nexttowardf): Alter the second parameter to LONGREAL.
Signed-off-by: Gaius Mulley <gaiusmod2@gmail.com>
^ permalink raw reply [flat|nested] 14+ messages in thread* [Bug modula2/108143] LONGREAL and powerpc64le-linux
2022-12-16 10:09 [Bug modula2/108143] New: LONGREAL and powerpc64le-linux jakub at gcc dot gnu.org
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To: gcc-bugs
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Gaius Mulley <gaius at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |gaius at gcc dot gnu.org
--- Comment #6 from Gaius Mulley <gaius at gcc dot gnu.org> ---
Created attachment 55773
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=55773&action=edit
Proposed fix
Here is a proposed fix which uses a local implementation of log10l
(logl(r)/logl(10.0)) rather than the builtin log10l. The patch will be applied
(if/once) the full bootstrap completes.
^ permalink raw reply [flat|nested] 14+ messages in thread* [Bug modula2/108143] LONGREAL and powerpc64le-linux
2022-12-16 10:09 [Bug modula2/108143] New: LONGREAL and powerpc64le-linux jakub at gcc dot gnu.org
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2023-08-21 23:16 ` gaius at gcc dot gnu.org
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Gaius Mulley <gaius at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed| |2023-08-21
Ever confirmed|0 |1
--- Comment #7 from Gaius Mulley <gaius at gcc dot gnu.org> ---
Assigned.
^ permalink raw reply [flat|nested] 14+ messages in thread* [Bug modula2/108143] LONGREAL and powerpc64le-linux
2022-12-16 10:09 [Bug modula2/108143] New: LONGREAL and powerpc64le-linux jakub at gcc dot gnu.org
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2023-08-21 23:17 ` gaius at gcc dot gnu.org
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To: gcc-bugs
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--- Comment #8 from Gaius Mulley <gaius at gcc dot gnu.org> ---
On reflection I'll drill down to see why the modula-2 builtin log10l doesn't
work.
^ permalink raw reply [flat|nested] 14+ messages in thread* [Bug modula2/108143] LONGREAL and powerpc64le-linux
2022-12-16 10:09 [Bug modula2/108143] New: LONGREAL and powerpc64le-linux jakub at gcc dot gnu.org
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2023-08-22 0:05 ` gaius at gcc dot gnu.org
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To: gcc-bugs
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--- Comment #9 from Gaius Mulley <gaius at gcc dot gnu.org> ---
Almost certainly m2builtin.cc is failing to detect that the targettm does not
have log10l builtin as the result for log10l is always 0.0 on the ppc64le.
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2022-12-16 10:09 [Bug modula2/108143] New: LONGREAL and powerpc64le-linux jakub at gcc dot gnu.org
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From: gaius at gcc dot gnu.org @ 2023-09-17 18:35 UTC (permalink / raw)
To: gcc-bugs
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--- Comment #10 from Gaius Mulley <gaius at gcc dot gnu.org> ---
Created attachment 55917
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=55917&action=edit
Work in progress fix
Here is a patch set (which needs some tidying up). It introduces a configure
for LONGREAL as float128 when targetting ppc64le (or hosting on ppc64le). So
far with this patch I've seen zero regression failures on gcc120 (ppc64le
gnu-linux), (aarch64 gnu-linux) and (x86_64 gnu-linux) albeit I had to choose
a git master from a few weeks back for aarch64 and x86_64 (still trying to
understand why). Nevertheless I'm posting the patch here as a work in
progress.
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2022-12-16 10:09 [Bug modula2/108143] New: LONGREAL and powerpc64le-linux jakub at gcc dot gnu.org
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From: gaius at gcc dot gnu.org @ 2023-09-19 13:51 UTC (permalink / raw)
To: gcc-bugs
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Gaius Mulley <gaius at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #55773|0 |1
is obsolete| |
Attachment #55917|0 |1
is obsolete| |
--- Comment #11 from Gaius Mulley <gaius at gcc dot gnu.org> ---
Created attachment 55933
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=55933&action=edit
Proposed fix after cleanup
Here is the patch after a cleanup and further fixes. Bootstrapped on raspian
32 armv7 (12 failures), aarch64 (0 failures), x86_64 (0 failures), ppc64le (0
failures).
^ permalink raw reply [flat|nested] 14+ messages in thread* [Bug modula2/108143] LONGREAL and powerpc64le-linux
2022-12-16 10:09 [Bug modula2/108143] New: LONGREAL and powerpc64le-linux jakub at gcc dot gnu.org
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To: gcc-bugs
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--- Comment #12 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Gaius Mulley <gaius@gcc.gnu.org>:
https://gcc.gnu.org/g:81d5ca0b9b8431f1bd7a5ec8a2c94f04bb0cf032
commit r14-4149-g81d5ca0b9b8431f1bd7a5ec8a2c94f04bb0cf032
Author: Gaius Mulley <gaiusmod2@gmail.com>
Date: Tue Sep 19 19:23:03 2023 +0100
PR 108143/modula2 LONGREAL and powerpc64le-linux
This patch introduces a configure for LONGREAL as float128 when
targetting or hosting cc1gm2 on ppc64le. It fixes calls to builtins
and fixes the -fdebug-builtins option.
gcc/ChangeLog:
* doc/gm2.texi (fdebug-builtins): Correct description.
gcc/m2/ChangeLog:
* Make-lang.in (host_mc_longreal): Detect hosting on powerpc64le
and if so use __float128 for longreal in mc.
(MC_ARGS): Append host_mc_longreal.
* config-make.in (TEST_TARGET_CPU_DEFAULT): New variable.
(TEST_HOST_CPU_DEFAULT): New variable.
* configure: Regenerate.
* configure.ac (M2C_LONGREAL_FLOAT128): New define set if target
is powerpc64le.
(M2C_LONGREAL_PPC64LE): New define set if target is powerpc64le.
* gm2-compiler/M2GCCDeclare.mod: Correct comment case.
* gm2-compiler/M2GenGCC.mod (MaybeDebugBuiltinAlloca): Call
SetLastFunction for the builtin function call.
(MaybeDebugBuiltinMemcpy): Call SetLastFunction for the builtin
function call.
(MaybeDebugBuiltinMemset): New procedure function.
(MakeCopyUse): Use GNU formatting.
(UseBuiltin): Rewrite to check BuiltinExists.
(CodeDirectCall): Rewrite to check BuiltinExists and call
SetLastFunction.
(CodeMakeAdr): Re-format.
* gm2-compiler/M2Options.def (SetDebugBuiltins): New procedure.
* gm2-compiler/M2Options.mod (SetUninitVariableChecking): Allow
"cond" to switch UninitVariableConditionalChecking separately.
(SetDebugBuiltins): New procedure.
* gm2-compiler/M2Quads.def (BuildFunctionCall): Add parameter
ConstExpr.
* gm2-compiler/M2Quads.mod (BuildRealProcedureCall): Add parameter
to BuildRealFuncProcCall.
(BuildRealFuncProcCall): Add ConstExpr parameter. Pass ConstExpr
to BuildFunctionCall.
(BuildFunctionCall): Add parameter ConstExpr. Pass ConstExpr to
BuildRealFunctionCall.
(BuildConstFunctionCall): Add parameter ConstExpr. Pass ConstExpr
to
BuildFunctionCall.
(BuildRealFunctionCall): Add parameter ConstExpr. Pass ConstExpr
to
BuildRealFuncProcCall.
* gm2-compiler/P3Build.bnf (SetOrDesignatorOrFunction): Pass FALSE
to BuildFunctionCall.
(AssignmentOrProcedureCall): Pass FALSE to BuildFunctionCall.
* gm2-compiler/SymbolTable.def (IsProcedureBuiltinAvailable): New
procedure function.
* gm2-compiler/SymbolTable.mod (CanUseBuiltin): New procedure
function.
(IsProcedureBuiltinAvailable): New procedure function.
* gm2-gcc/m2builtins.cc (DEBUGGING): Undef.
(bf_category): New enum type.
(struct builtin_function_entry): New field function_avail.
(m2builtins_BuiltInMemCopy): Rename from ...
(m2builtins_BuiltinMemCopy): ... this.
(DoBuiltinMemSet): New function.
(m2builtins_BuiltinMemSet): New function.
(do_target_support_exists): New function.
(target_support_exists): New function.
(m2builtins_BuiltinExists): Return true or false.
(m2builtins_BuildBuiltinTree): Rename local variables.
Replace long_double_type_node with GetM2LongRealType.
(m2builtins_init): Use GetM2LongRealType rather than
long_double_type_node.
* gm2-gcc/m2builtins.def (BuiltInMemCopy): Rename to ...
(BuiltinMemCopy): ... this.
(BuiltinMemSet): New procedure function.
* gm2-gcc/m2builtins.h (m2builtins_BuiltInMemCopy): Rename to ...
(m2builtins_BuiltinMemCopy): ... this.
(m2builtins_BuiltinMemSet): New procedure function.
* gm2-gcc/m2configure.cc (m2configure_M2CLongRealFloat128): New
procedure function.
(m2configure_M2CLongRealIBM128): New procedure function.
(m2configure_M2CLongRealLongDouble): New procedure function.
(m2configure_M2CLongRealLongDoublePPC64LE): New procedure function.
* gm2-gcc/m2configure.def (M2CLongRealFloat128): New procedure
function.
(M2CLongRealIBM128): New procedure function.
(M2CLongRealLongDouble): New procedure function.
(M2CLongRealLongDoublePPC64LE): New procedure function.
* gm2-gcc/m2configure.h (m2configure_FullPathCPP): New procedure
function.
(m2configure_M2CLongRealFloat128): New procedure function.
(m2configure_M2CLongRealIBM128): New procedure function.
(m2configure_M2CLongRealLongDouble): New procedure function.
(m2configure_M2CLongRealLongDoublePPC64LE): New procedure function.
* gm2-gcc/m2convert.cc (m2convert_BuildConvert): Use convert_loc.
* gm2-gcc/m2options.h (M2Options_SetDebugBuiltins): New function.
* gm2-gcc/m2statement.cc (m2statement_BuildAssignmentTree): Set
TREE_USED to true.
(m2statement_BuildGoto):Set TREE_USED to true.
(m2statement_BuildParam): Set TREE_USED to true.
(m2statement_BuildBuiltinCallTree): New function.
(m2statement_BuildFunctValue): Set TREE_USED to true.
* gm2-gcc/m2statement.def (BuildBuiltinCallTree): New procedure
function.
* gm2-gcc/m2statement.h (m2statement_BuildBuiltinCallTree): New
procedure function.
* gm2-gcc/m2treelib.cc (m2treelib_DoCall0): Remove spacing.
(m2treelib_DoCall1): Remove spacing.
(m2treelib_DoCall2): Remove spacing.
(m2treelib_DoCall3): Remove spacing.
(add_stmt): Rename parameter.
* gm2-gcc/m2type.cc (build_set_type): Remove spacing.
(build_m2_specific_size_type): Remove spacing.
(finish_build_pointer_type): Remove spacing.
(m2type_BuildVariableArrayAndDeclare): Remove spacing.
(build_m2_short_real_node): Remove spacing.
(build_m2_real_node): Remove spacing.
(build_m2_long_real_node): Use float128_type_node if
M2CLongRealFloat128 is set.
(build_m2_ztype_node): Remove spacing.
(build_m2_long_int_node): Remove spacing.
(build_m2_long_card_node): Remove spacing.
(build_m2_short_int_node): Remove spacing.
(build_m2_short_card_node): Remove spacing.
(build_m2_iso_loc_node): Remove spacing.
(m2type_SameRealType): New function.
(m2type_InitBaseTypes): Create m2_c_type_node using
m2_long_complex_type_node.
(m2type_SetAlignment): Tidy up comment.
* gm2-gcc/m2type.def (SameRealType): New procedure function.
* gm2-gcc/m2type.h (m2type_SameRealType): New procedure function.
* gm2-lang.cc (gm2_langhook_type_for_mode): Build long complex
node from m2 language specific long double node.
* gm2-libs-log/RealConversions.mod (IsNan): New procedure
function.
(doPowerOfTen): Re-implement.
* gm2-libs/Builtins.mod: Add newline.
* gm2-libs/DynamicStrings.def (ReplaceChar): New procedure
function.
* gm2-libs/DynamicStrings.mod (ReplaceChar): New procedure
function.
* gm2config.aci.in (M2C_LONGREAL_FLOAT128): New config value.
(M2C_LONGREAL_PPC64LE): New config value.
* gm2spec.cc (lang_specific_driver): New local variable
need_default_mabi set to default value depending upon
M2C_LONGREAL_PPC64LE and M2C_LONGREAL_FLOAT128.
* lang.opt (Wcase-enum): Moved to correct section.
* m2pp.cc (m2pp_real_type): New function.
(m2pp_type): Call m2pp_real_type.
(m2pp_print_mode): New function.
(m2pp_simple_type): Call m2pp_simple_type.
(m2pp_float): New function.
(m2pp_expression): Call m2pp_float.
* mc-boot/GDynamicStrings.cc: Rebuild.
* mc-boot/GDynamicStrings.h: Rebuild.
* mc-boot/GFIO.cc: Rebuild.
* mc-boot/GFIO.h: Rebuild.
* mc-boot/GIO.cc: Rebuild.
* mc-boot/GRTint.cc: Rebuild.
* mc-boot/Gdecl.cc: Rebuild.
* mc-boot/GmcOptions.cc: Rebuild.
* mc-boot/GmcOptions.h: Rebuild.
* mc/decl.mod: Rebuild.
* mc/mcOptions.def (getCRealType): New procedure function.
(getCLongRealType): New procedure function.
(getCShortRealType): New procedure function.
* mc/mcOptions.mod (getCRealType): New procedure function.
(getCLongRealType): New procedure function.
(getCShortRealType): New procedure function.
libgm2/ChangeLog:
* Makefile.am (TARGET_LONGDOUBLE_ABI): New variable set to
-mabi=ieeelongdouble if the target is powerpc64le.
(AM_MAKEFLAGS): Append TARGET_LONGDOUBLE_ABI.
* Makefile.in: Rebuild.
* libm2cor/Makefile.am (AM_MAKEFLAGS): Add CFLAGS_LONGDOUBLE and
TARGET_LONGDOUBLE_ABI.
(libm2cor_la_CFLAGS): Add TARGET_LONGDOUBLE_ABI.
(libm2cor_la_M2FLAGS): Add TARGET_LONGDOUBLE_ABI.
* libm2cor/Makefile.in: Rebuild.
* libm2iso/Makefile.am (AM_MAKEFLAGS): Add CFLAGS_LONGDOUBLE and
TARGET_LONGDOUBLE_ABI.
(libm2iso_la_CFLAGS): Add TARGET_LONGDOUBLE_ABI.
(libm2iso_la_M2FLAGS): Add TARGET_LONGDOUBLE_ABI.
* libm2iso/Makefile.in: Rebuild.
* libm2log/Makefile.am (AM_MAKEFLAGS): Add CFLAGS_LONGDOUBLE and
TARGET_LONGDOUBLE_ABI.
(libm2log_la_CFLAGS): Add TARGET_LONGDOUBLE_ABI.
(libm2log_la_M2FLAGS): Add TARGET_LONGDOUBLE_ABI.
* libm2log/Makefile.in: Rebuild.
* libm2min/Makefile.am (AM_MAKEFLAGS): Add CFLAGS_LONGDOUBLE and
TARGET_LONGDOUBLE_ABI.
(libm2min_la_CFLAGS): Add TARGET_LONGDOUBLE_ABI.
(libm2min_la_M2FLAGS): Add TARGET_LONGDOUBLE_ABI.
* libm2min/Makefile.in: Rebuild.
* libm2pim/Makefile.am (AM_MAKEFLAGS): Add CFLAGS_LONGDOUBLE and
TARGET_LONGDOUBLE_ABI.
(libm2pim_la_CFLAGS): Add TARGET_LONGDOUBLE_ABI.
(libm2pim_la_M2FLAGS): Add TARGET_LONGDOUBLE_ABI.
* libm2pim/Makefile.in: Rebuild.
gcc/testsuite/ChangeLog:
* gm2/extensions/pass/libc.def: Add spacing.
* gm2/pimlib/logitech/run/pass/realconv.mod: Add debugging print.
*
gm2/switches/uninit-variable-checking/cascade/fail/switches-uninit-variable-checking-cascade-fail.exp:
Add -fdebug-builtins flag.
* lib/gm2.exp (gm2_target_compile_default): Add
-mabi=ieeelongdouble if the target is powerpc.
(gm2_link_flags): Add
-mabi=ieeelongdouble if the target is powerpc.
* gm2/pim/intrinsic/run/pass/cstub.c: New test.
* gm2/pim/intrinsic/run/pass/cstub.def: New test.
* gm2/pim/intrinsic/run/pass/pim-intrinsic-run-pass.exp: New test.
* gm2/pim/intrinsic/run/pass/test.mod: New test.
* gm2/pim/run/pass/builtins.mod: New test.
* gm2/pim/run/pass/convert1.mod: New test.
* gm2/pim/run/pass/longint1.mod: New test.
* gm2/pim/run/pass/longint2.mod: New test.
* gm2/pim/run/pass/longint3.mod: New test.
* gm2/pim/run/pass/longint4.mod: New test.
* gm2/pim/run/pass/longint5.mod: New test.
* gm2/pim/run/pass/longint6.mod: New test.
* gm2/pim/run/pass/longint7.mod: New test.
* gm2/pim/run/pass/longint8.mod: New test.
Signed-off-by: Gaius Mulley <gaiusmod2@gmail.com>
^ permalink raw reply [flat|nested] 14+ messages in thread* [Bug modula2/108143] LONGREAL and powerpc64le-linux
2022-12-16 10:09 [Bug modula2/108143] New: LONGREAL and powerpc64le-linux jakub at gcc dot gnu.org
` (11 preceding siblings ...)
2023-09-19 18:24 ` cvs-commit at gcc dot gnu.org
@ 2023-09-19 18:35 ` gaius at gcc dot gnu.org
12 siblings, 0 replies; 14+ messages in thread
From: gaius at gcc dot gnu.org @ 2023-09-19 18:35 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108143
Gaius Mulley <gaius at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
--- Comment #13 from Gaius Mulley <gaius at gcc dot gnu.org> ---
Closing now that the patch has been applied.
^ permalink raw reply [flat|nested] 14+ messages in thread