[Bug target/118795] [15 Regression] ICE when building darkradiant-3.9.0 (with PCH?) (expand_expr_real_2, at expr.cc:10975)

[sjames at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118795

Sam James <sjames at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |sjames at gcc dot gnu.org

--- Comment #7 from Sam James <sjames at gcc dot gnu.org> ---
Created attachment 60873
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=60873&action=edit
MapExpression.cpp.ii.xz

```
$ g++ -c MapExpression.cpp.ii -O3 -fPIC
during RTL pass: expand
/tmp/DarkRadiant/radiantcore/shaders/MapExpression.cpp: In member function
‘virtual ImagePtr shaders::MakeIntensityExpression::getImage() const’:
/tmp/DarkRadiant/radiantcore/shaders/MapExpression.cpp:638:32: internal
compiler error: in expand_expr_real_2, at expr.cc:10987
  638 |                         out[0] = in[0];
      |                         ~~~~~~~^~~~~~~
0x5877839f21ac internal_error(char const*, ...)
       
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/diagnostic-global-context.cc:517
0x5877839f2347 fancy_abort(char const*, int, char const*)
       
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/diagnostic.cc:1749
0x58778252b342 expand_expr_real_2(separate_ops const*, rtx_def*, machine_mode,
expand_modifier)
        /usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/expr.cc:10987
0x587783ff86d2 expand_expr_real_gassign(gassign*, rtx_def*, machine_mode,
expand_modifier, rtx_def**, bool)
        /usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/expr.cc:11198
0x587783fe2be6 expand_expr_real_1(tree_node*, rtx_def*, machine_mode,
expand_modifier, rtx_def**, bool)
        /usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/expr.cc:11380
0x587783fe15e7 expand_expr(tree_node*, rtx_def*, machine_mode, expand_modifier)
        /usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/expr.h:323
0x587783fe15e7 expand_assignment(tree_node*, tree_node*, bool)
        /usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/expr.cc:6014
0x587783fda134 expand_gimple_stmt
       
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/cfgexpand.cc:4364
0x587783fda134 expand_gimple_basic_block
       
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/cfgexpand.cc:6427
0x587783f2ce96 execute
       
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/cfgexpand.cc:7176
```