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* [Bug c++/102581] New: ice in forced_merge, at ipa-modref-tree.h:352 with -fno-strict-aliasing and -O2
@ 2021-10-03 21:14 dcb314 at hotmail dot com
2021-10-03 21:21 ` [Bug ipa/102581] [12 Regression] " pinskia at gcc dot gnu.org
` (13 more replies)
0 siblings, 14 replies; 15+ messages in thread
From: dcb314 at hotmail dot com @ 2021-10-03 21:14 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102581
Bug ID: 102581
Summary: ice in forced_merge, at ipa-modref-tree.h:352 with
-fno-strict-aliasing and -O2
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: dcb314 at hotmail dot com
Target Milestone: ---
Created attachment 51542
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51542&action=edit
gzipped C++ source code
The attached C++ source code, with compiler flags -fno-strict-aliasing
and -O2, does this:
/home/dcb35/rpmbuild/BUILD/Vulkan-Tools-sdk-1.2.189.0/vulkaninfo/vulkaninfo.cpp:1082:1:
internal compiler error: in forced_merge, at ipa-modref-tree.h:352
The bug first occurs sometime before git hash 2fcfc03459a907c0,
from about a month ago.
I will try to reduce this source code downto somethine sensible.
^ permalink raw reply [flat|nested] 15+ messages in thread
* [Bug ipa/102581] [12 Regression] ice in forced_merge, at ipa-modref-tree.h:352 with -fno-strict-aliasing and -O2
2021-10-03 21:14 [Bug c++/102581] New: ice in forced_merge, at ipa-modref-tree.h:352 with -fno-strict-aliasing and -O2 dcb314 at hotmail dot com
@ 2021-10-03 21:21 ` pinskia at gcc dot gnu.org
2021-10-03 21:22 ` pinskia at gcc dot gnu.org
` (12 subsequent siblings)
13 siblings, 0 replies; 15+ messages in thread
From: pinskia at gcc dot gnu.org @ 2021-10-03 21:21 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102581
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |marxin at gcc dot gnu.org
Keywords| |ice-on-valid-code
Summary|ice in forced_merge, at |[12 Regression] ice in
|ipa-modref-tree.h:352 with |forced_merge, at
|-fno-strict-aliasing and |ipa-modref-tree.h:352 with
|-O2 |-fno-strict-aliasing and
| |-O2
Target Milestone|--- |7.3
Component|c++ |ipa
^ permalink raw reply [flat|nested] 15+ messages in thread
* [Bug ipa/102581] [12 Regression] ice in forced_merge, at ipa-modref-tree.h:352 with -fno-strict-aliasing and -O2
2021-10-03 21:14 [Bug c++/102581] New: ice in forced_merge, at ipa-modref-tree.h:352 with -fno-strict-aliasing and -O2 dcb314 at hotmail dot com
2021-10-03 21:21 ` [Bug ipa/102581] [12 Regression] " pinskia at gcc dot gnu.org
@ 2021-10-03 21:22 ` pinskia at gcc dot gnu.org
2021-10-03 21:27 ` dcb314 at hotmail dot com
` (11 subsequent siblings)
13 siblings, 0 replies; 15+ messages in thread
From: pinskia at gcc dot gnu.org @ 2021-10-03 21:22 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102581
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
/* We assume that containment and lossless merging
was tested earlier. */
gcc_checking_assert (!contains (a) && !a.contains (*this)
&& !merge (a, record_adjustments));
^ permalink raw reply [flat|nested] 15+ messages in thread
* [Bug ipa/102581] [12 Regression] ice in forced_merge, at ipa-modref-tree.h:352 with -fno-strict-aliasing and -O2
2021-10-03 21:14 [Bug c++/102581] New: ice in forced_merge, at ipa-modref-tree.h:352 with -fno-strict-aliasing and -O2 dcb314 at hotmail dot com
2021-10-03 21:21 ` [Bug ipa/102581] [12 Regression] " pinskia at gcc dot gnu.org
2021-10-03 21:22 ` pinskia at gcc dot gnu.org
@ 2021-10-03 21:27 ` dcb314 at hotmail dot com
2021-10-04 7:25 ` [Bug ipa/102581] [12 Regression] ice in forced_merge, at ipa-modref-tree.h:352 with -fno-strict-aliasing and -O2 since r12-3202-gf5ff3a8ed4ca9173 marxin at gcc dot gnu.org
` (10 subsequent siblings)
13 siblings, 0 replies; 15+ messages in thread
From: dcb314 at hotmail dot com @ 2021-10-03 21:27 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102581
--- Comment #2 from David Binderman <dcb314 at hotmail dot com> ---
git blame says:
f5ff3a8ed4ca (Jan Hubicka 2021-08-28 20:57:08 +0200 349) /* We assume
that containment and lossless merging
f5ff3a8ed4ca (Jan Hubicka 2021-08-28 20:57:08 +0200 350) was tested
earlier. */
f5ff3a8ed4ca (Jan Hubicka 2021-08-28 20:57:08 +0200 351)
gcc_checking_assert (!contains (a) && !a.contains (*this)
f5ff3a8ed4ca (Jan Hubicka 2021-08-28 20:57:08 +0200 352)
&& !merge (a, record_adjustments));
Adding Jan for his best advice.
^ permalink raw reply [flat|nested] 15+ messages in thread
* [Bug ipa/102581] [12 Regression] ice in forced_merge, at ipa-modref-tree.h:352 with -fno-strict-aliasing and -O2 since r12-3202-gf5ff3a8ed4ca9173
2021-10-03 21:14 [Bug c++/102581] New: ice in forced_merge, at ipa-modref-tree.h:352 with -fno-strict-aliasing and -O2 dcb314 at hotmail dot com
` (2 preceding siblings ...)
2021-10-03 21:27 ` dcb314 at hotmail dot com
@ 2021-10-04 7:25 ` marxin at gcc dot gnu.org
2021-10-04 7:28 ` marxin at gcc dot gnu.org
` (9 subsequent siblings)
13 siblings, 0 replies; 15+ messages in thread
From: marxin at gcc dot gnu.org @ 2021-10-04 7:25 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102581
Martin Liška <marxin at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Last reconfirmed| |2021-10-04
Ever confirmed|0 |1
Summary|[12 Regression] ice in |[12 Regression] ice in
|forced_merge, at |forced_merge, at
|ipa-modref-tree.h:352 with |ipa-modref-tree.h:352 with
|-fno-strict-aliasing and |-fno-strict-aliasing and
|-O2 |-O2 since
| |r12-3202-gf5ff3a8ed4ca9173
See Also| |https://gcc.gnu.org/bugzill
| |a/show_bug.cgi?id=102557
Status|UNCONFIRMED |NEW
--- Comment #3 from Martin Liška <marxin at gcc dot gnu.org> ---
Confirmed, similar to PR102557.
^ permalink raw reply [flat|nested] 15+ messages in thread
* [Bug ipa/102581] [12 Regression] ice in forced_merge, at ipa-modref-tree.h:352 with -fno-strict-aliasing and -O2 since r12-3202-gf5ff3a8ed4ca9173
2021-10-03 21:14 [Bug c++/102581] New: ice in forced_merge, at ipa-modref-tree.h:352 with -fno-strict-aliasing and -O2 dcb314 at hotmail dot com
` (3 preceding siblings ...)
2021-10-04 7:25 ` [Bug ipa/102581] [12 Regression] ice in forced_merge, at ipa-modref-tree.h:352 with -fno-strict-aliasing and -O2 since r12-3202-gf5ff3a8ed4ca9173 marxin at gcc dot gnu.org
@ 2021-10-04 7:28 ` marxin at gcc dot gnu.org
2021-10-04 7:47 ` rguenth at gcc dot gnu.org
` (8 subsequent siblings)
13 siblings, 0 replies; 15+ messages in thread
From: marxin at gcc dot gnu.org @ 2021-10-04 7:28 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102581
Martin Liška <marxin at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|7.3 |12.0
Status|NEW |ASSIGNED
Assignee|unassigned at gcc dot gnu.org |marxin at gcc dot gnu.org
^ permalink raw reply [flat|nested] 15+ messages in thread
* [Bug ipa/102581] [12 Regression] ice in forced_merge, at ipa-modref-tree.h:352 with -fno-strict-aliasing and -O2 since r12-3202-gf5ff3a8ed4ca9173
2021-10-03 21:14 [Bug c++/102581] New: ice in forced_merge, at ipa-modref-tree.h:352 with -fno-strict-aliasing and -O2 dcb314 at hotmail dot com
` (4 preceding siblings ...)
2021-10-04 7:28 ` marxin at gcc dot gnu.org
@ 2021-10-04 7:47 ` rguenth at gcc dot gnu.org
2021-10-04 8:16 ` dcb314 at hotmail dot com
` (7 subsequent siblings)
13 siblings, 0 replies; 15+ messages in thread
From: rguenth at gcc dot gnu.org @ 2021-10-04 7:47 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102581
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|P3 |P1
^ permalink raw reply [flat|nested] 15+ messages in thread
* [Bug ipa/102581] [12 Regression] ice in forced_merge, at ipa-modref-tree.h:352 with -fno-strict-aliasing and -O2 since r12-3202-gf5ff3a8ed4ca9173
2021-10-03 21:14 [Bug c++/102581] New: ice in forced_merge, at ipa-modref-tree.h:352 with -fno-strict-aliasing and -O2 dcb314 at hotmail dot com
` (5 preceding siblings ...)
2021-10-04 7:47 ` rguenth at gcc dot gnu.org
@ 2021-10-04 8:16 ` dcb314 at hotmail dot com
2021-10-04 8:19 ` marxin at gcc dot gnu.org
` (6 subsequent siblings)
13 siblings, 0 replies; 15+ messages in thread
From: dcb314 at hotmail dot com @ 2021-10-04 8:16 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102581
--- Comment #4 from David Binderman <dcb314 at hotmail dot com> ---
Reduced C++ source code, after a pretty hefty four hours of reduction, is
enum VkStructureType {
VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_BUFFER_DEVICE_ADDRESS_FEATURES_EXT,
VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FEATURES_2_KHR
} typedef VkPhysicalDeviceSparseProperties;
struct VkPhysicalDeviceProperties {
int apiVersion;
VkPhysicalDeviceSparseProperties sparseProperties;
};
typedef struct {
VkStructureType sType;
int *pPhysicalDevices;
} VkPhysicalDeviceFeatures2;
typedef struct VkPhysicalDeviceProperties2 {
VkStructureType sType;
void *pNext;
} VkPhysicalDeviceMemoryProperties2;
struct VulkanVersion {
int major;
int minor;
int patch;
};
int make_vulkan_version_version;
VulkanVersion make_vulkan_version() {
return {make_vulkan_version_version, make_vulkan_version_version,
make_vulkan_version_version};
}
struct AppGpu {
int &inst;
int id;
int *phys_device = nullptr;
VulkanVersion api_version{};
VkPhysicalDeviceProperties props{};
VkPhysicalDeviceProperties2 props2{};
int memory_props{};
VkPhysicalDeviceMemoryProperties2 memory_props2{};
int features{};
VkPhysicalDeviceFeatures2 features2{};
int *dev = nullptr;
int enabled_features{};
int AppGpu_phys_device;
int AppGpu_inst;
AppGpu() : inst(AppGpu_inst), id() {
api_version = make_vulkan_version();
props2.sType = memory_props2.sType = features2.sType =
VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FEATURES_2_KHR;
}
};
main() { AppGpu(); }
^ permalink raw reply [flat|nested] 15+ messages in thread
* [Bug ipa/102581] [12 Regression] ice in forced_merge, at ipa-modref-tree.h:352 with -fno-strict-aliasing and -O2 since r12-3202-gf5ff3a8ed4ca9173
2021-10-03 21:14 [Bug c++/102581] New: ice in forced_merge, at ipa-modref-tree.h:352 with -fno-strict-aliasing and -O2 dcb314 at hotmail dot com
` (6 preceding siblings ...)
2021-10-04 8:16 ` dcb314 at hotmail dot com
@ 2021-10-04 8:19 ` marxin at gcc dot gnu.org
2021-10-04 8:27 ` marxin at gcc dot gnu.org
` (5 subsequent siblings)
13 siblings, 0 replies; 15+ messages in thread
From: marxin at gcc dot gnu.org @ 2021-10-04 8:19 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102581
--- Comment #5 from Martin Liška <marxin at gcc dot gnu.org> ---
(In reply to David Binderman from comment #4)
> Reduced C++ source code, after a pretty hefty four hours of reduction, is
Heh, my reduction has just finished as well, resulting in the same source code
as yours.
^ permalink raw reply [flat|nested] 15+ messages in thread
* [Bug ipa/102581] [12 Regression] ice in forced_merge, at ipa-modref-tree.h:352 with -fno-strict-aliasing and -O2 since r12-3202-gf5ff3a8ed4ca9173
2021-10-03 21:14 [Bug c++/102581] New: ice in forced_merge, at ipa-modref-tree.h:352 with -fno-strict-aliasing and -O2 dcb314 at hotmail dot com
` (7 preceding siblings ...)
2021-10-04 8:19 ` marxin at gcc dot gnu.org
@ 2021-10-04 8:27 ` marxin at gcc dot gnu.org
2021-10-06 14:56 ` hubicka at ucw dot cz
` (4 subsequent siblings)
13 siblings, 0 replies; 15+ messages in thread
From: marxin at gcc dot gnu.org @ 2021-10-04 8:27 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102581
Martin Liška <marxin at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Assignee|marxin at gcc dot gnu.org |hubicka at gcc dot gnu.org
--- Comment #6 from Martin Liška <marxin at gcc dot gnu.org> ---
I'm not familiar enough with the code, leaving to Honza.
^ permalink raw reply [flat|nested] 15+ messages in thread
* [Bug ipa/102581] [12 Regression] ice in forced_merge, at ipa-modref-tree.h:352 with -fno-strict-aliasing and -O2 since r12-3202-gf5ff3a8ed4ca9173
2021-10-03 21:14 [Bug c++/102581] New: ice in forced_merge, at ipa-modref-tree.h:352 with -fno-strict-aliasing and -O2 dcb314 at hotmail dot com
` (8 preceding siblings ...)
2021-10-04 8:27 ` marxin at gcc dot gnu.org
@ 2021-10-06 14:56 ` hubicka at ucw dot cz
2021-10-06 15:16 ` hubicka at ucw dot cz
` (3 subsequent siblings)
13 siblings, 0 replies; 15+ messages in thread
From: hubicka at ucw dot cz @ 2021-10-06 14:56 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102581
--- Comment #7 from Jan Hubicka <hubicka at ucw dot cz> ---
Hi,
the problem is that we assume that merge is symmetric (merging a to b
succeeds if and only if merging b to a succeeds). There was one
symetrical path missing in the (fancy and bit ugly) logic on what we can
merge losslessly.
I also added sanity check for this assumption. So bugs like this should
fire more often.
Honza
diff --git a/gcc/ipa-modref-tree.h b/gcc/ipa-modref-tree.h
index 6a9ed5ce54b..61b4b16dbed 100644
--- a/gcc/ipa-modref-tree.h
+++ b/gcc/ipa-modref-tree.h
@@ -234,6 +234,17 @@ struct GTY(()) modref_access_node
record_adjustments);
return true;
}
+ if (known_size_p (a.size)
+ && (!known_size_p (size) || known_lt (size, a.size)))
+ {
+ if (((known_size_p (max_size) || known_size_p (a.max_size))
+ && !known_eq (max_size, a.max_size))
+ || !known_eq (offset1, aoffset1))
+ return false;
+ update (new_parm_offset, offset1, size, max_size,
+ record_adjustments);
+ return true;
+ }
/* If sizes are same, we can extend the interval. */
if ((known_size_p (size) || known_size_p (a.size))
&& !known_eq (size, a.size))
@@ -618,6 +629,7 @@ private:
found = true;
if (!found && n->merge (*a, false))
found = restart = true;
+ gcc_checking_assert (found || !a->merge (*n, false));
if (found)
{
accesses->unordered_remove (i);
^ permalink raw reply [flat|nested] 15+ messages in thread
* [Bug ipa/102581] [12 Regression] ice in forced_merge, at ipa-modref-tree.h:352 with -fno-strict-aliasing and -O2 since r12-3202-gf5ff3a8ed4ca9173
2021-10-03 21:14 [Bug c++/102581] New: ice in forced_merge, at ipa-modref-tree.h:352 with -fno-strict-aliasing and -O2 dcb314 at hotmail dot com
` (9 preceding siblings ...)
2021-10-06 14:56 ` hubicka at ucw dot cz
@ 2021-10-06 15:16 ` hubicka at ucw dot cz
2021-10-07 13:26 ` cvs-commit at gcc dot gnu.org
` (2 subsequent siblings)
13 siblings, 0 replies; 15+ messages in thread
From: hubicka at ucw dot cz @ 2021-10-06 15:16 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102581
--- Comment #8 from Jan Hubicka <hubicka at ucw dot cz> ---
Actually, this is shorter patch - we already should notice that one
range is contained in other, but we give up too early.
Honza
diff --git a/gcc/ipa-modref-tree.h b/gcc/ipa-modref-tree.h
index 6a9ed5ce54b..8e9b89b3e2c 100644
--- a/gcc/ipa-modref-tree.h
+++ b/gcc/ipa-modref-tree.h
@@ -110,8 +110,11 @@ struct GTY(()) modref_access_node
if (!a.parm_offset_known)
return false;
/* Accesses are never below parm_offset, so look
- for smaller offset. */
- if (!known_le (parm_offset, a.parm_offset))
+ for smaller offset.
+ If access ranges are known still allow merging
+ when bit offsets comparsion passes. */
+ if (!known_le (parm_offset, a.parm_offset)
+ && !range_info_useful_p ())
return false;
aoffset_adj = (a.parm_offset - parm_offset)
<< LOG2_BITS_PER_UNIT;
@@ -618,6 +621,7 @@ private:
found = true;
if (!found && n->merge (*a, false))
found = restart = true;
+ gcc_checking_assert (found || !a->merge (*n, false));
if (found)
{
accesses->unordered_remove (i);
^ permalink raw reply [flat|nested] 15+ messages in thread
* [Bug ipa/102581] [12 Regression] ice in forced_merge, at ipa-modref-tree.h:352 with -fno-strict-aliasing and -O2 since r12-3202-gf5ff3a8ed4ca9173
2021-10-03 21:14 [Bug c++/102581] New: ice in forced_merge, at ipa-modref-tree.h:352 with -fno-strict-aliasing and -O2 dcb314 at hotmail dot com
` (10 preceding siblings ...)
2021-10-06 15:16 ` hubicka at ucw dot cz
@ 2021-10-07 13:26 ` cvs-commit at gcc dot gnu.org
2021-10-07 13:59 ` hubicka at gcc dot gnu.org
2021-10-07 18:50 ` ian at airs dot com
13 siblings, 0 replies; 15+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2021-10-07 13:26 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102581
--- Comment #9 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Jan Hubicka <hubicka@gcc.gnu.org>:
https://gcc.gnu.org/g:44b61586d8640b79e78cfdb6a555200ccee8df77
commit r12-4227-g44b61586d8640b79e78cfdb6a555200ccee8df77
Author: Jan Hubicka <jh@suse.cz>
Date: Thu Oct 7 15:26:01 2021 +0200
Fix access node merging
gcc/ChangeLog:
2021-10-07 Jan Hubicka <hubicka@ucw.cz>
PR ipa/102581
* ipa-modref-tree.h (modref_access_node::contains_p): Handle
offsets
better.
(modref_access_node::try_merge_with): Add sanity check that there
are no redundant entries in the list.
gcc/testsuite/ChangeLog:
2021-10-07 Jan Hubicka <hubicka@ucw.cz>
* g++.dg/torture/pr102581.C: New test.
^ permalink raw reply [flat|nested] 15+ messages in thread
* [Bug ipa/102581] [12 Regression] ice in forced_merge, at ipa-modref-tree.h:352 with -fno-strict-aliasing and -O2 since r12-3202-gf5ff3a8ed4ca9173
2021-10-03 21:14 [Bug c++/102581] New: ice in forced_merge, at ipa-modref-tree.h:352 with -fno-strict-aliasing and -O2 dcb314 at hotmail dot com
` (11 preceding siblings ...)
2021-10-07 13:26 ` cvs-commit at gcc dot gnu.org
@ 2021-10-07 13:59 ` hubicka at gcc dot gnu.org
2021-10-07 18:50 ` ian at airs dot com
13 siblings, 0 replies; 15+ messages in thread
From: hubicka at gcc dot gnu.org @ 2021-10-07 13:59 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102581
Jan Hubicka <hubicka at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|ASSIGNED |RESOLVED
--- Comment #10 from Jan Hubicka <hubicka at gcc dot gnu.org> ---
Fixed.
^ permalink raw reply [flat|nested] 15+ messages in thread
* [Bug ipa/102581] [12 Regression] ice in forced_merge, at ipa-modref-tree.h:352 with -fno-strict-aliasing and -O2 since r12-3202-gf5ff3a8ed4ca9173
2021-10-03 21:14 [Bug c++/102581] New: ice in forced_merge, at ipa-modref-tree.h:352 with -fno-strict-aliasing and -O2 dcb314 at hotmail dot com
` (12 preceding siblings ...)
2021-10-07 13:59 ` hubicka at gcc dot gnu.org
@ 2021-10-07 18:50 ` ian at airs dot com
13 siblings, 0 replies; 15+ messages in thread
From: ian at airs dot com @ 2021-10-07 18:50 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102581
Ian Lance Taylor <ian at airs dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |ian at airs dot com
--- Comment #11 from Ian Lance Taylor <ian at airs dot com> ---
*** Bug 102474 has been marked as a duplicate of this bug. ***
^ permalink raw reply [flat|nested] 15+ messages in thread
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2021-10-03 21:14 [Bug c++/102581] New: ice in forced_merge, at ipa-modref-tree.h:352 with -fno-strict-aliasing and -O2 dcb314 at hotmail dot com
2021-10-03 21:21 ` [Bug ipa/102581] [12 Regression] " pinskia at gcc dot gnu.org
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2021-10-04 7:25 ` [Bug ipa/102581] [12 Regression] ice in forced_merge, at ipa-modref-tree.h:352 with -fno-strict-aliasing and -O2 since r12-3202-gf5ff3a8ed4ca9173 marxin at gcc dot gnu.org
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2021-10-07 18:50 ` ian at airs dot com
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