https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68983
Bug ID: 68983
Summary: [6 Regression] ICE: in store_field, at expr.c:6659
Product: gcc
Version: 6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: trippels at gcc dot gnu.org
CC: jason at gcc dot gnu.org
Target Milestone: ---
Trying to build LibreOffice shows:
markus@x4 tmp % g++ -c -w scmod.ii
scmod.ii: In constructor ‘ScGridOptions::ScGridOptions(const SvxOptionsGrid&)’:
scmod.ii:5039:163: internal compiler error: in store_field, at expr.c:6659
class ScGridOptions : public SvxOptionsGrid { public: ScGridOptions() :
SvxOptionsGrid() {} ScGridOptions( const SvxOptionsGrid& rOpt ) :
SvxOptionsGrid( rOpt ) {} void SetDefaults(); const ScGridOptions& operator=
( const ScGridOptions& rCpy ); bool operator== ( const ScGridOptions& rOpt )
const; bool operator!= ( const ScGridOptions& rOpt ) const { return
!(operator==(rOpt)); } };
^
0x9f28a6 store_field
../../gcc/gcc/expr.c:6659
0x9ed991 expand_assignment(tree_node*, tree_node*, bool)
../../gcc/gcc/expr.c:5020
0x8e07fe expand_gimple_stmt_1
../../gcc/gcc/cfgexpand.c:3606
0x8e07fe expand_gimple_stmt
../../gcc/gcc/cfgexpand.c:3702
0x8e3ee4 expand_gimple_basic_block
../../gcc/gcc/cfgexpand.c:5708
0x8e8ed6 execute
../../gcc/gcc/cfgexpand.c:6323
Started with r228704:
commit ab48ece0923ded0cbd089ce31d1b3d26c239bc4e
Author: jason <jason@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Mon Oct 12 07:58:43 2015 +0000
PR c++/67557
* expr.c (store_field): Call store_constructor directly when
storing a CONSTRUCTOR into a target smaller than its type.
Guard against unsafe bitwise copy.
Reducing will take a while (8 Mb boost testcase)...
