[Bug objc++/97015] New: [11 regression] ICE in set_decl_context_in_fn, at cp/name-lookup.c:2862 after r11-3100

[seurer at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97015

            Bug ID: 97015
           Summary: [11 regression] ICE in set_decl_context_in_fn, at
                    cp/name-lookup.c:2862 after r11-3100
           Product: gcc
           Version: 11.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: objc++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: seurer at gcc dot gnu.org
  Target Milestone: ---

g:f40866967d69079fdde293feb32d2eb52cb93cc8, r11-3100

make -k check-gcc RUNTESTFLAGS=dg.exp=obj-c++.dg/syntax-error-9.mm
FAIL: obj-c++.dg/syntax-error-9.mm -fgnu-runtime (internal compiler error)
FAIL: obj-c++.dg/syntax-error-9.mm -fgnu-runtime (test for excess errors)
# of expected passes            3
# of unexpected failures        2


spawn -ignore SIGHUP
/home/seurer/gcc/git/build/gcc-test/gcc/testsuite/obj-c++/../../xg++
-B/home/seurer/gcc/git/build/gcc-test/gcc/testsuite/obj-c++/../../
/home/seurer/gcc/git/gcc-test/gcc/testsuite/obj-c++.dg/syntax-error-9.mm
-fdiagnostics-plain-output -nostdinc++
-I/home/seurer/gcc/git/build/gcc-test/powerpc64-unknown-linux-gnu/libstdc++-v3/include/powerpc64-unknown-linux-gnu
-I/home/seurer/gcc/git/build/gcc-test/powerpc64-unknown-linux-gnu/libstdc++-v3/include
-I/home/seurer/gcc/git/gcc-test/libstdc++-v3/libsupc++
-I/home/seurer/gcc/git/gcc-test/libstdc++-v3/include/backward
-I/home/seurer/gcc/git/gcc-test/libstdc++-v3/testsuite/util -fmessage-length=0
-fgnu-runtime -ansi -pedantic-errors -Wno-long-long
-I/home/seurer/gcc/git/gcc-test/gcc/testsuite/../../libobjc -S -o
syntax-error-9.s
/home/seurer/gcc/git/gcc-test/gcc/testsuite/obj-c++.dg/syntax-error-9.mm:1:17:
warning: cannot find interface declaration for 'SaturnDoc'
/home/seurer/gcc/git/gcc-test/gcc/testsuite/obj-c++.dg/syntax-error-9.mm:2:27:
error: expected ':' at end of input
/home/seurer/gcc/git/gcc-test/gcc/testsuite/obj-c++.dg/syntax-error-9.mm: In
function '-[SaturnDoc read:]':
/home/seurer/gcc/git/gcc-test/gcc/testsuite/obj-c++.dg/syntax-error-9.mm:4:
error: expected '@end' at end of input
<built-in>: internal compiler error: in set_decl_context_in_fn, at
cp/name-lookup.c:2862
0x1046907b set_decl_context_in_fn
        /home/seurer/gcc/git/gcc-test/gcc/cp/name-lookup.c:2861
0x1046907b do_pushdecl
        /home/seurer/gcc/git/gcc-test/gcc/cp/name-lookup.c:2995
0x1046907b pushdecl(tree_node*, bool)
        /home/seurer/gcc/git/gcc-test/gcc/cp/name-lookup.c:3173
0x10376bdb start_preparsed_function(tree_node*, tree_node*, int)
        /home/seurer/gcc/git/gcc-test/gcc/cp/decl.c:16311
0x10221b0b objc_start_function(tree_node*, tree_node*, tree_node*, tree_node*)
        /home/seurer/gcc/git/gcc-test/gcc/objc/objc-act.c:8623
0x1023ee37 build_module_initializer_routine
        /home/seurer/gcc/git/gcc-test/gcc/objc/objc-gnu-runtime-abi-01.c:948
0x1023ee37 objc_generate_v1_gnu_metadata
        /home/seurer/gcc/git/gcc-test/gcc/objc/objc-gnu-runtime-abi-01.c:2118
0x1022cca3 objc_write_global_declarations()
        /home/seurer/gcc/git/gcc-test/gcc/objc/objc-act.c:477
0x103cdedb c_parse_final_cleanups()
        /home/seurer/gcc/git/gcc-test/gcc/cp/decl2.c:5165
0x106c84cf c_common_parse_file()
        /home/seurer/gcc/git/gcc-test/gcc/c-family/c-opts.c:1210


This was on a powerpc64 BE system.