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[Bug lto/69491] New: [6 Regression] [CHKP] gcc.dg/lto/chkp-wrap-asm-name ICEs with -fno-use-linker-plugin (verify_cgraph_node failed)

From: "ubizjak at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
To: gcc-bugs at gcc dot gnu dot org
Date: Tue, 26 Jan 2016 16:04:54 +0000
Subject: [Bug lto/69491] New: [6 Regression] [CHKP] gcc.dg/lto/chkp-wrap-asm-name ICEs with -fno-use-linker-plugin (verify_cgraph_node failed)
Auto-submitted: auto-generated

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69491

            Bug ID: 69491
           Summary: [6 Regression] [CHKP] gcc.dg/lto/chkp-wrap-asm-name
                    ICEs with -fno-use-linker-plugin (verify_cgraph_node
                    failed)
           Product: gcc
           Version: 6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: lto
          Assignee: unassigned at gcc dot gnu.org
          Reporter: ubizjak at gmail dot com
  Target Milestone: ---
            Target: x86_64-linux-gnu

x86_64-linux-gnu (Fedora 23) testsuite run with
RUNTESTFLAGS="--target_board=unix/-fno-use-linker-plugin" triggers following
testsuite failure:

FAIL: gcc.dg/lto/chkp-wrap-asm-name
c_lto_chkp-wrap-asm-name_0.o-c_lto_chkp-wrap-asm-name_0.o link,  -O2 -flto
-fcheck-pointer-bounds -mmpx  (internal compiler error)
UNRESOLVED: gcc.dg/lto/chkp-wrap-asm-name
c_lto_chkp-wrap-asm-name_0.o-c_lto_chkp-wrap-asm-name_0.o execute  -O2 -flto
-fcheck-pointer-bounds -mmpx 

The testsuite log shows:

Executing on host: /ssd/uros/gcc-build/gcc/xgcc -B/ssd/uros/gcc-build/gcc/ 
-fno-use-linker-plugin    -B/ssd/uros/gcc-build/x86_64-pc-linux-gnu/./libmpx/ 
-B/ssd/uros/gcc-build/x86_64-pc-linux-gnu/./libmpx/mpxrt 
-L/ssd/uros/gcc-build/x86_64-pc-linux-gnu/./libmpx/mpxrt/.libs 
-B/ssd/uros/gcc-build/x86_64-pc-linux-gnu/./libmpx/ 
-B/ssd/uros/gcc-build/x86_64-pc-linux-gnu/./libmpx/mpxwrap 
-L/ssd/uros/gcc-build/x86_64-pc-linux-gnu/./libmpx/mpxwrap/.libs 
-fno-diagnostics-show-caret -fdiagnostics-color=never   -O2 -flto
-fcheck-pointer-bounds -mmpx   -c -o c_lto_chkp-wrap-asm-name_0.o
/home/uros/gcc-svn/trunk/gcc/testsuite/gcc.dg/lto/chkp-wrap-asm-name_0.c   
(timeout = 300)
spawn -ignore SIGHUP /ssd/uros/gcc-build/gcc/xgcc -B/ssd/uros/gcc-build/gcc/
-fno-use-linker-plugin -B/ssd/uros/gcc-build/x86_64-pc-linux-gnu/./libmpx/
-B/ssd/uros/gcc-build/x86_64-pc-linux-gnu/./libmpx/mpxrt
-L/ssd/uros/gcc-build/x86_64-pc-linux-gnu/./libmpx/mpxrt/.libs
-B/ssd/uros/gcc-build/x86_64-pc-linux-gnu/./libmpx/
-B/ssd/uros/gcc-build/x86_64-pc-linux-gnu/./libmpx/mpxwrap
-L/ssd/uros/gcc-build/x86_64-pc-linux-gnu/./libmpx/mpxwrap/.libs
-fno-diagnostics-show-caret -fdiagnostics-color=never -O2 -flto
-fcheck-pointer-bounds -mmpx -c -o c_lto_chkp-wrap-asm-name_0.o
/home/uros/gcc-svn/trunk/gcc/testsuite/gcc.dg/lto/chkp-wrap-asm-name_0.c
PASS: gcc.dg/lto/chkp-wrap-asm-name c_lto_chkp-wrap-asm-name_0.o assemble,  -O2
-flto -fcheck-pointer-bounds -mmpx 
Executing on host: /ssd/uros/gcc-build/gcc/xgcc -B/ssd/uros/gcc-build/gcc/
c_lto_chkp-wrap-asm-name_0.o  -fno-use-linker-plugin   
-B/ssd/uros/gcc-build/x86_64-pc-linux-gnu/./libmpx/ 
-B/ssd/uros/gcc-build/x86_64-pc-linux-gnu/./libmpx/mpxrt 
-L/ssd/uros/gcc-build/x86_64-pc-linux-gnu/./libmpx/mpxrt/.libs 
-B/ssd/uros/gcc-build/x86_64-pc-linux-gnu/./libmpx/ 
-B/ssd/uros/gcc-build/x86_64-pc-linux-gnu/./libmpx/mpxwrap 
-L/ssd/uros/gcc-build/x86_64-pc-linux-gnu/./libmpx/mpxwrap/.libs 
-fno-diagnostics-show-caret -fdiagnostics-color=never   -O2 -flto
-fcheck-pointer-bounds -mmpx       -o gcc-dg-lto-chkp-wrap-asm-name-01.exe   
(timeout = 300)
spawn -ignore SIGHUP /ssd/uros/gcc-build/gcc/xgcc -B/ssd/uros/gcc-build/gcc/
c_lto_chkp-wrap-asm-name_0.o -fno-use-linker-plugin
-B/ssd/uros/gcc-build/x86_64-pc-linux-gnu/./libmpx/
-B/ssd/uros/gcc-build/x86_64-pc-linux-gnu/./libmpx/mpxrt
-L/ssd/uros/gcc-build/x86_64-pc-linux-gnu/./libmpx/mpxrt/.libs
-B/ssd/uros/gcc-build/x86_64-pc-linux-gnu/./libmpx/
-B/ssd/uros/gcc-build/x86_64-pc-linux-gnu/./libmpx/mpxwrap
-L/ssd/uros/gcc-build/x86_64-pc-linux-gnu/./libmpx/mpxwrap/.libs
-fno-diagnostics-show-caret -fdiagnostics-color=never -O2 -flto
-fcheck-pointer-bounds -mmpx -o gcc-dg-lto-chkp-wrap-asm-name-01.exe
lto1: error: Instrumentation clone does not reference original node
test1/0 (test1) @0x7fc0ac967730
  Type: function definition analyzed
  Visibility: externally_visible public
  References: test1.chkp/7 (chkp)
  Referring: 
  Read from file: c_lto_chkp-wrap-asm-name_0.o
  Availability: available
  First run: 0
  Function flags:
  Thunk fixed offset 0 virtual value 0 has virtual offset 0)
  Called by: 
  Calls: test1.chkp/7 (1.00 per call) 
  Has instrumented version.
lto1: internal compiler error: verify_cgraph_node failed
0x66e64b cgraph_node::verify_node()
        /home/uros/gcc-svn/trunk/gcc/cgraph.c:3229
0x663f94 symtab_node::verify()
        /home/uros/gcc-svn/trunk/gcc/symtab.c:1177
0x66406f symtab_node::verify_symtab_nodes()
        /home/uros/gcc-svn/trunk/gcc/symtab.c:1197
0x88af60 symtab_node::checking_verify_symtab_nodes()
        /home/uros/gcc-svn/trunk/gcc/cgraph.h:602
0x88af60 symbol_table::remove_unreachable_nodes(_IO_FILE*)
        /home/uros/gcc-svn/trunk/gcc/ipa.c:673
0x97a0d4 execute_todo
        /home/uros/gcc-svn/trunk/gcc/passes.c:2024
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
lto-wrapper: fatal error: /ssd/uros/gcc-build/gcc/xgcc returned 1 exit status
compilation terminated.
collect2: fatal error: lto-wrapper returned 1 exit status
compilation terminated.
compiler exited with status 1
output is:
lto1: error: Instrumentation clone does not reference original node
test1/0 (test1) @0x7fc0ac967730
  Type: function definition analyzed
  Visibility: externally_visible public
  References: test1.chkp/7 (chkp)
  Referring: 
  Read from file: c_lto_chkp-wrap-asm-name_0.o
  Availability: available
  First run: 0
  Function flags:
  Thunk fixed offset 0 virtual value 0 has virtual offset 0)
  Called by: 
  Calls: test1.chkp/7 (1.00 per call) 
  Has instrumented version.
lto1: internal compiler error: verify_cgraph_node failed
0x66e64b cgraph_node::verify_node()
        /home/uros/gcc-svn/trunk/gcc/cgraph.c:3229
0x663f94 symtab_node::verify()
        /home/uros/gcc-svn/trunk/gcc/symtab.c:1177
0x66406f symtab_node::verify_symtab_nodes()
        /home/uros/gcc-svn/trunk/gcc/symtab.c:1197
0x88af60 symtab_node::checking_verify_symtab_nodes()
        /home/uros/gcc-svn/trunk/gcc/cgraph.h:602
0x88af60 symbol_table::remove_unreachable_nodes(_IO_FILE*)
        /home/uros/gcc-svn/trunk/gcc/ipa.c:673
0x97a0d4 execute_todo
        /home/uros/gcc-svn/trunk/gcc/passes.c:2024
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
lto-wrapper: fatal error: /ssd/uros/gcc-build/gcc/xgcc returned 1 exit status
compilation terminated.
collect2: fatal error: lto-wrapper returned 1 exit status
compilation terminated.

FAIL: gcc.dg/lto/chkp-wrap-asm-name
c_lto_chkp-wrap-asm-name_0.o-c_lto_chkp-wrap-asm-name_0.o link,  -O2 -flto
-fcheck-pointer-bounds -mmpx  (internal compiler error)
UNRESOLVED: gcc.dg/lto/chkp-wrap-asm-name
c_lto_chkp-wrap-asm-name_0.o-c_lto_chkp-wrap-asm-name_0.o execute  -O2 -flto
-fcheck-pointer-bounds -mmpx

Follow-Ups:
- [Bug lto/69491] [6 Regression] [CHKP] gcc.dg/lto/chkp-wrap-asm-name ICEs with -fno-use-linker-plugin (verify_cgraph_node failed)
  - From: ubizjak at gmail dot com
- [Bug lto/69491] [6 Regression] [CHKP] gcc.dg/lto/chkp-wrap-asm-name ICEs with -fno-use-linker-plugin (verify_cgraph_node failed)
  - From: rguenth at gcc dot gnu.org

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