https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114931

            Bug ID: 114931
           Summary: ICE in get_alias_set when building tcl with -std=c23
           Product: gcc
           Version: 14.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: rtl-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: sjames at gcc dot gnu.org
  Target Milestone: ---

Created attachment 58094
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=58094&action=edit
tclStubLib.i.xz

```
# gcc -c tclStubLib.i -std=c23
during RTL pass: expand
/var/tmp/portage/dev-lang/tcl-8.6.14/work/tcl8.6.14/generic/tclStubLib.c: In
function ‘Tcl_InitStubs’:
/var/tmp/portage/dev-lang/tcl-8.6.14/work/tcl8.6.14/generic/tclStubLib.c:70:31:
internal compiler error: in get_alias_set, at alias.cc:954
   70 |     if (!stubsPtr || (stubsPtr->magic != TCL_STUB_MAGIC)) {
      |                       ~~~~~~~~^~~~~~~
0x55a6e9af0586 get_alias_set(tree_node*)
       
/usr/src/debug/sys-devel/gcc-14.0.1_pre20240430/gcc-14.1.0-RC-20240430/gcc/alias.cc:954
0x55a6eb2865eb record_component_aliases(tree_node*, int)
       
/usr/src/debug/sys-devel/gcc-14.0.1_pre20240430/gcc-14.1.0-RC-20240430/gcc/alias.cc:1306
0x55a6eb26bcdc record_component_aliases(tree_node*)
       
/usr/src/debug/sys-devel/gcc-14.0.1_pre20240430/gcc-14.1.0-RC-20240430/gcc/alias.cc:1346
0x55a6eb26bcdc get_alias_set(tree_node*)
       
/usr/src/debug/sys-devel/gcc-14.0.1_pre20240430/gcc-14.1.0-RC-20240430/gcc/alias.cc:1151
0x55a6eb28ee06 set_mem_attributes_minus_bitpos(rtx_def*, tree_node*, int,
poly_int<1u, long>)
       
/usr/src/debug/sys-devel/gcc-14.0.1_pre20240430/gcc-14.1.0-RC-20240430/gcc/emit-rtl.cc:1976
0x55a6eb63832b set_mem_attributes(rtx_def*, tree_node*, int)
       
/usr/src/debug/sys-devel/gcc-14.0.1_pre20240430/gcc-14.1.0-RC-20240430/gcc/emit-rtl.cc:2181
0x55a6eb63832b expand_expr_real_1(tree_node*, rtx_def*, machine_mode,
expand_modifier, rtx_def**, bool)
       
/usr/src/debug/sys-devel/gcc-14.0.1_pre20240430/gcc-14.1.0-RC-20240430/gcc/expr.cc:11731
0x55a6eb638c29 expand_expr_real(tree_node*, rtx_def*, machine_mode,
expand_modifier, rtx_def**, bool)
       
/usr/src/debug/sys-devel/gcc-14.0.1_pre20240430/gcc-14.1.0-RC-20240430/gcc/expr.cc:9443
0x55a6eb638c29 expand_expr_real_1(tree_node*, rtx_def*, machine_mode,
expand_modifier, rtx_def**, bool)
       
/usr/src/debug/sys-devel/gcc-14.0.1_pre20240430/gcc-14.1.0-RC-20240430/gcc/expr.cc:11949
0x55a6eb63ba80 expand_expr_real(tree_node*, rtx_def*, machine_mode,
expand_modifier, rtx_def**, bool)
       
/usr/src/debug/sys-devel/gcc-14.0.1_pre20240430/gcc-14.1.0-RC-20240430/gcc/expr.cc:9443
0x55a6eb63ba80 store_expr(tree_node*, rtx_def*, int, bool, bool)
       
/usr/src/debug/sys-devel/gcc-14.0.1_pre20240430/gcc-14.1.0-RC-20240430/gcc/expr.cc:6743
0x55a6eb6368a2 expand_assignment(tree_node*, tree_node*, bool)
       
/usr/src/debug/sys-devel/gcc-14.0.1_pre20240430/gcc-14.1.0-RC-20240430/gcc/expr.cc:6464
0x55a6eb631a1c expand_gimple_stmt
       
/usr/src/debug/sys-devel/gcc-14.0.1_pre20240430/gcc-14.1.0-RC-20240430/gcc/cfgexpand.cc:4077
0x55a6eb631a1c expand_gimple_basic_block
       
/usr/src/debug/sys-devel/gcc-14.0.1_pre20240430/gcc-14.1.0-RC-20240430/gcc/cfgexpand.cc:6133
0x55a6eb5daf76 execute
       
/usr/src/debug/sys-devel/gcc-14.0.1_pre20240430/gcc-14.1.0-RC-20240430/gcc/cfgexpand.cc:6872
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://bugs.gentoo.org/> for instructions.
```

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