[Bug target/51087] New: Regression ICE SPARC compiling complex.c

[Bug target/51087] New: Regression ICE SPARC compiling complex.c

[joel at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51087

             Bug #: 51087
           Summary: Regression ICE SPARC compiling complex.c
    Classification: Unclassified
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: joel@gcc.gnu.org


Thu Nov 10 17:51:33 UTC 2011 (revision 181262)
Target: sparc-rtems4.11

Regression since 180946 based upon test results at
http://gcc.gnu.org/ml/gcc-testresults/2011-11/msg00440.html

/home2/joel/build/b-sparc-gcc/./gcc/xgcc -shared-libgcc
-B/home2/joel/build/b-sparc-gcc/./gcc -nostdinc++
-L/home2/joel/build/b-sparc-gcc/sparc-rtems4.11/libstdc++-v3/src
-L/home2/joel/build/b-sparc-gcc/sparc-rtems4.11/libstdc++-v3/src/.libs
-nostdinc -B/home2/joel/build/b-sparc-gcc/sparc-rtems4.11/newlib/ -isystem
/home2/joel/build/b-sparc-gcc/sparc-rtems4.11/newlib/targ-include -isystem
/users/joel/test-gcc/gcc-svn/newlib/libc/include
-B/users/joel/test-gcc/install-svn/sparc-rtems4.11/bin/
-B/users/joel/test-gcc/install-svn/sparc-rtems4.11/lib/ -isystem
/users/joel/test-gcc/install-svn/sparc-rtems4.11/include -isystem
/users/joel/test-gcc/install-svn/sparc-rtems4.11/sys-include
-I/home2/joel/build/b-sparc-gcc/sparc-rtems4.11/libstdc++-v3/include/sparc-rtems4.11
-I/home2/joel/build/b-sparc-gcc/sparc-rtems4.11/libstdc++-v3/include
-I/users/joel/test-gcc/gcc-svn/libstdc++-v3/libsupc++ -fno-implicit-templates
-Wall -Wextra -Wwrite-strings -Wcast-qual -fdiagnostics-show-location=once
-ffunction-sections -fdata-sections -frandom-seed=complex_io.lo -g -O2 -c
/users/joel/test-gcc/gcc-svn/libstdc++-v3/src/complex_io.cc -o complex_io.o
In file included from
/users/joel/test-gcc/gcc-svn/libstdc++-v3/src/complex_io.cc:25:0:
/home2/joel/build/b-sparc-gcc/sparc-rtems4.11/libstdc++-v3/include/complex: In
function 'std::basic_ostream<_CharT, _Traits>&
std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::complex<_Tp>&)
[with _Tp = float; _CharT = char; _Traits = std::char_traits<char>]':
/home2/joel/build/b-sparc-gcc/sparc-rtems4.11/libstdc++-v3/include/complex:529:5:
error: missing REG_EH_REGION note in the end of bb 39
/home2/joel/build/b-sparc-gcc/sparc-rtems4.11/libstdc++-v3/include/complex:529:5:
error: call edges for non-call insn in bb 39
/home2/joel/build/b-sparc-gcc/sparc-rtems4.11/libstdc++-v3/include/complex:529:5:
error: in basic block 39:
/home2/joel/build/b-sparc-gcc/sparc-rtems4.11/libstdc++-v3/include/complex:529:5:
error: flow control insn inside a basic block
(call_insn 620 619 829 39 (parallel [
            (call (mem:SI (symbol_ref:SI ("_ZNSt8ios_baseD2Ev") [flags 0x41]
<function_decl 0x7ff9c5615700 __base_dtor >) [0 __base_dtor  S4 A32])
                (const_int 0 [0]))
            (clobber (reg:SI 15 %o7))
        ])
/home2/joel/build/b-sparc-gcc/sparc-rtems4.11/libstdc++-v3/include/bits/basic_ios.h:274
224 {*call_symbolic_sp32}
     (expr_list:REG_EH_REGION (const_int 1 [0x1])
        (nil))
    (expr_list:REG_DEP_OUTPUT (use (reg:SI 8 %o0))
        (nil)))
/home2/joel/build/b-sparc-gcc/sparc-rtems4.11/libstdc++-v3/include/complex:529:5:
internal compiler error: in rtl_verify_flow_info_1, at cfgrtl.c:2001
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
make: *** [complex_io.lo] Error 1

[Bug target/51087] Regression ICE SPARC compiling complex.c

[joel at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51087

--- Comment #1 from Joel Sherrill <joel at gcc dot gnu.org> 2011-11-10 19:41:16 UTC ---
Created attachment 25792
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=25792
Preprocessed source for failure case

Reduced command line.

/home2/joel/build/b-sparc-gcc/./gcc/xgcc \
  -B/home2/joel/build/b-sparc-gcc/./gcc -c -O0  pr51087.cc

Compiles at -O0, not at -O1 or -O2

[Bug target/51087] Regression ICE SPARC compiling complex.c

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51087

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> 2011-11-10 19:52:30 UTC ---
This looks like a dup of bug http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51051
.  Can you try the patch linked in there?

[Bug target/51087] Regression ICE SPARC compiling complex.c

[joel at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51087

Joel Sherrill <joel at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |DUPLICATE

--- Comment #3 from Joel Sherrill <joel at gcc dot gnu.org> 2011-11-10 20:32:24 UTC ---
Patch referencd in 51051 lets build proceed.

*** This bug has been marked as a duplicate of bug 51051 ***