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[Bug middle-end/69211] New: g++ ICE on x86_64-linux-gnu (verify_gimple failed)


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69211

            Bug ID: 69211
           Summary: g++ ICE on x86_64-linux-gnu (verify_gimple failed)
           Product: gcc
           Version: 6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
          Assignee: unassigned at gcc dot gnu.org
          Reporter: helloqirun at gmail dot com
  Target Milestone: ---

The following code causes an ICE when compiled with the current g++ trunk on
x86_64-linux-gnu in both 32-bit and 64-bit modes. The current gcc trunk works
fine.

$ g++-trunk -v
Using built-in specs.
COLLECT_GCC=g++-trunk
COLLECT_LTO_WRAPPER=/home/absozero/trunk/root-gcc/libexec/gcc/x86_64-pc-linux-gnu/6.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: ../gcc/configure --prefix=/home/absozero/trunk/root-gcc
--enable-languages=c,c++ --disable-werror --enable-multilib
Thread model: posix
gcc version 6.0.0 20160109 (experimental) [trunk revision 232190] (GCC)


$ g++-trunk -c abc.cc
abc.cc: In function ?void fn1()?:
abc.cc:2:6: error: type mismatch in binary expression
 void fn1() { (a & 5UL | (b = 4, 4L)) > 4; }
      ^~~

long unsigned int

long unsigned int

long int

D.2260 = D.2259 | 4;
abc.cc:2:6: internal compiler error: verify_gimple failed
0xd3e0dd verify_gimple_in_seq(gimple*)
        ../../gcc/gcc/tree-cfg.c:4787
0xacbd42 gimplify_body(tree_node*, bool)
        ../../gcc/gcc/gimplify.c:11313
0xacc0d6 gimplify_function_tree(tree_node*)
        ../../gcc/gcc/gimplify.c:11401
0x953e97 cgraph_node::analyze()
        ../../gcc/gcc/cgraphunit.c:625
0x957283 analyze_functions
        ../../gcc/gcc/cgraphunit.c:1080
0x957f68 symbol_table::finalize_compilation_unit()
        ../../gcc/gcc/cgraphunit.c:2531
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.


--------------
$ cat abc.cc
int a, b;
void fn1() { (a & 5UL | (b = 4, 4L)) > 4; }

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