https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64341
Bug ID: 64341 Summary: [5 regression] ICE in expand_expr_addr_expr_1, at expr.c:7718 Product: gcc Version: 5.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: ro at gcc dot gnu.org CC: ebotcazou at gcc dot gnu.org Host: sparc*-sun-solaris2.* Target: sparc*-sun-solaris2.* Build: sparc*-sun-solaris2.* Since 20141021 (r216502), I see a the following ICE on 32-bit Solaris/SPARC: FAIL: 21_strings/basic_string/modifiers/replace/wchar_t/4.cc (test for excess errors) WARNING: 21_strings/basic_string/modifiers/replace/wchar_t/4.cc compilation failed to produce executable Excess errors: /vol/gcc/src/hg/trunk/local/libstdc++-v3/testsuite/21_strings/basic_string/modifiers/replace/wchar_t/4.cc:29:1: internal compiler error: in expand_expr_addr_expr_1, at expr.c:7718 0x66fe7f expand_expr_addr_expr_1 /vol/gcc/src/hg/trunk/local/gcc/expr.c:7718 0x66284b expand_expr_addr_expr /vol/gcc/src/hg/trunk/local/gcc/expr.c:7832 0x66284b expand_expr_real_1(tree_node*, rtx_def*, machine_mode, expand_modifier, rtx_def**, bool) /vol/gcc/src/hg/trunk/local/gcc/expr.c:10706 0x66284b expand_expr_real_1(tree_node*, rtx_def*, machine_mode, expand_modifier, rtx_def**, bool) /vol/gcc/src/hg/trunk/local/gcc/expr.c:10706 0x54a53f expand_normal /vol/gcc/src/hg/trunk/local/gcc/expr.h:305 0x54a53f precompute_register_parameters /vol/gcc/src/hg/trunk/local/gcc/calls.c:869 0x54a53f expand_call(tree_node*, rtx_def*, int) /vol/gcc/src/hg/trunk/local/gcc/calls.c:3119 0x6619b7 expand_expr_real_1(tree_node*, rtx_def*, machine_mode, expand_modifier, rtx_def**, bool) /vol/gcc/src/hg/trunk/local/gcc/expr.c:10474 0x55e00b expand_expr /vol/gcc/src/hg/trunk/local/gcc/expr.h:299 0x55e00b expand_call_stmt /vol/gcc/src/hg/trunk/local/gcc/cfgexpand.c:2347 0x55e00b expand_gimple_stmt_1 /vol/gcc/src/hg/trunk/local/gcc/cfgexpand.c:3293 0x55e00b expand_gimple_stmt /vol/gcc/src/hg/trunk/local/gcc/cfgexpand.c:3447 0x563883 expand_gimple_basic_block /vol/gcc/src/hg/trunk/local/gcc/cfgexpand.c:5280 0x565fdb execute /vol/gcc/src/hg/trunk/local/gcc/cfgexpand.c:5889 Since 20141030 (r216932), there's another failure with the same ICE, again only for 32-bit: FAIL: g++.dg/ipa/pr63587-2.C -std=gnu++11 (internal compiler error) FAIL: g++.dg/ipa/pr63587-2.C -std=gnu++11 (test for excess errors) FAIL: g++.dg/ipa/pr63587-2.C -std=gnu++14 (internal compiler error) FAIL: g++.dg/ipa/pr63587-2.C -std=gnu++14 (test for excess errors) Excess errors: /vol/gcc/src/hg/trunk/local/gcc/testsuite/g++.dg/ipa/pr63587-2.C:21:3: internal compiler error: in expand_expr_addr_expr_1, at expr.c:7718 0x66fe7f expand_expr_addr_expr_1 /vol/gcc/src/hg/trunk/local/gcc/expr.c:7718 0x66284b expand_expr_addr_expr /vol/gcc/src/hg/trunk/local/gcc/expr.c:7718 0x66284b expand_expr_addr_expr /vol/gcc/src/hg/trunk/local/gcc/expr.c:7832 0x66284b expand_expr_real_1(tree_node*, rtx_def*, machine_mode, expand_modifier, rtx_def**, bool) /vol/gcc/src/hg/trunk/local/gcc/expr.c:10706 0x54a53f expand_normal /vol/gcc/src/hg/trunk/local/gcc/expr.h:305 0x54a53f precompute_register_parameters /vol/gcc/src/hg/trunk/local/gcc/calls.c:869 0x54a53f expand_call(tree_node*, rtx_def*, int) /vol/gcc/src/hg/trunk/local/gcc/calls.c:3119 0x6619b7 expand_expr_real_1(tree_node*, rtx_def*, machine_mode, expand_modifier, rtx_def**, bool) /vol/gcc/src/hg/trunk/local/gcc/expr.c:10474 0x67043f store_expr_with_bounds(tree_node*, rtx_def*, int, bool, tree_node*) /vol/gcc/src/hg/trunk/local/gcc/expr.c:5365 0x678e37 expand_assignment(tree_node*, tree_node*, bool) /vol/gcc/src/hg/trunk/local/gcc/expr.c:5137 0x55d803 expand_call_stmt /vol/gcc/src/hg/trunk/local/gcc/cfgexpand.c:2345 0x55d803 expand_gimple_stmt_1 /vol/gcc/src/hg/trunk/local/gcc/cfgexpand.c:3293 0x55d803 expand_gimple_stmt_1 /vol/gcc/src/hg/trunk/local/gcc/cfgexpand.c:3293 0x55d803 expand_gimple_stmt /vol/gcc/src/hg/trunk/local/gcc/cfgexpand.c:3447 0x563883 expand_gimple_basic_block /vol/gcc/src/hg/trunk/local/gcc/cfgexpand.c:5280 0x565fdb execute /vol/gcc/src/hg/trunk/local/gcc/cfgexpand.c:5889 This might be a dup (or at least related) to PR rtl-optimization/64033. Rainer