[Bug tree-optimization/77677] [7 Regression] ICE at -O1 and above in both 32-bit and 64-bit modes on x86_64-linux-gnu (internal compiler error: in set_value_range, at tree-vrp.c:361)

[seurer at linux dot vnet.ibm.com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77677

Bill Seurer <seurer at linux dot vnet.ibm.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |seurer at linux dot vnet.ibm.com

--- Comment #6 from Bill Seurer <seurer at linux dot vnet.ibm.com> ---
The test case 176.gcc in the spec2000 benchmarks still fails apparently with
the same error even after 240352

(this is with 240383)

loop.c: At top level:
loop.c:6648:1: internal compiler error: in set_value_range, at tree-vrp.c:367
 }
 ^
0x10bf4f6f set_value_range
        /home/seurer/gcc/gcc-test/gcc/tree-vrp.c:367
0x10bf9067 vrp_meet_1
        /home/seurer/gcc/gcc-test/gcc/tree-vrp.c:8639
0x10bf9067 vrp_meet(value_range*, value_range const*)
        /home/seurer/gcc/gcc-test/gcc/tree-vrp.c:8716
0x110a14c3 ipcp_vr_lattice::meet_with_1(value_range const*)
        /home/seurer/gcc/gcc-test/gcc/ipa-cp.c:987
0x110a4c9f ipcp_vr_lattice::meet_with(value_range const*)
        /home/seurer/gcc/gcc-test/gcc/ipa-cp.c:969
0x110a4c9f propagate_vr_accross_jump_function
        /home/seurer/gcc/gcc-test/gcc/ipa-cp.c:2077
0x110a4c9f propagate_constants_accross_call
        /home/seurer/gcc/gcc-test/gcc/ipa-cp.c:2435
0x110abdc7 propagate_constants_topo
        /home/seurer/gcc/gcc-test/gcc/ipa-cp.c:3329
0x110abdc7 ipcp_propagate_stage
        /home/seurer/gcc/gcc-test/gcc/ipa-cp.c:3439
0x110acf13 ipcp_driver
        /home/seurer/gcc/gcc-test/gcc/ipa-cp.c:5246
0x110acf13 execute
        /home/seurer/gcc/gcc-test/gcc/ipa-cp.c:5342
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.
specmake: *** [loop.o] Error 1
specmake: *** Waiting for unfinished jobs....
specmake -j20 options 2> options.err | tee options.out
COMP: /home/seurer/gcc/install/gcc-test/bin/gcc -c -o options.o 
-fno-strict-aliasing -m32 -DHOST_WORDS_BIG_ENDIAN -DSPEC_CPU2000_LINUX_PPC32   
    -O3 -mcpu=power7 -fpeel-loops -funroll-loops -ffast-math -fvect-cost-model
-mpopcntd -mrecip=rsqrt  
LINK: /home/seurer/gcc/install/gcc-test/bin/gcc -m32 -Wl,-q
-Wl,-rpath=/home/seurer/gcc/install/gcc-test/lib  -O3 -mcpu=power7 -fpeel-loops
-funroll-loops -ffast-math -fvect-cost-model -mpopcntd -mrecip=rsqrt      -lm 
-o options
  Some files did not appear to be built: cc1
*** Error building 176.gcc