[Bug c/25989] New: gomp ICE with -O2 and schedule(guided)

[perrin at msli dot com]

/home/perrin/gcc_HEAD/INSTALL/110282/bin/gcc -Wall -std=c99 -v --save-temps -O2
 -fopenmp        -m64 -o test_gomp_2 test_gomp_2.c
Using built-in specs.
Target: x86_64-unknown-linux-gnu
Configured with: /home/perrin/gcc_HEAD/gcc/configure
--prefix=/home/perrin/gcc_HEAD/INSTALL/110282/ --enable-threads=posix
--enable-languages=c,c++,fortran
Thread model: posix
gcc version 4.2.0 20060126 (experimental)

/home/perrin/gcc_HEAD/INSTALL/110282/bin/../libexec/gcc/x86_64-unknown-linux-gnu/4.2.0/cc1
-E -quiet -v -iprefix
/home/perrin/gcc_HEAD/INSTALL/110282/bin/../lib/gcc/x86_64-unknown-linux-gnu/4.2.0/
-D_REENTRANT test_gomp_2.c -m64 -mtune=generic -std=c99 -Wall -fopenmp -O2
-fpch-preprocess -o test_gomp_2.i
ignoring nonexistent directory
"/home/perrin/gcc_HEAD/INSTALL/110282/bin/../lib/gcc/x86_64-unknown-linux-gnu/4.2.0/../../../../x86_64-unknown-linux-gnu/include"
ignoring duplicate directory
"/home/perrin/gcc_HEAD/INSTALL/110282//lib/gcc/x86_64-unknown-linux-gnu/4.2.0/include"
ignoring nonexistent directory
"/home/perrin/gcc_HEAD/INSTALL/110282//lib/gcc/x86_64-unknown-linux-gnu/4.2.0/../../../../x86_64-unknown-linux-gnu/include"
#include "..." search starts here:
#include <...> search starts here:

/home/perrin/gcc_HEAD/INSTALL/110282/bin/../lib/gcc/x86_64-unknown-linux-gnu/4.2.0/include
 /usr/local/include
 /home/perrin/gcc_HEAD/INSTALL/110282//include
 /usr/include
End of search list.

/home/perrin/gcc_HEAD/INSTALL/110282/bin/../libexec/gcc/x86_64-unknown-linux-gnu/4.2.0/cc1
-fpreprocessed test_gomp_2.i -quiet -dumpbase test_gomp_2.c -m64 -mtune=generic
-auxbase test_gomp_2 -O2 -Wall -std=c99 -version -fopenmp -o test_gomp_2.s
GNU C version 4.2.0 20060126 (experimental) (x86_64-unknown-linux-gnu)
        compiled by GNU C version 4.2.0 20060126 (experimental).
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
Compiler executable checksum: bafa485bbf5b021c2e63fce173a125c4
test_gomp_2.c: In function 'main.omp_fn.0':
test_gomp_2.c:10: error: invalid operand to unary operator
.istart0.2D.1817

test_gomp_2.c:10: error: invalid operand to unary operator
.iend0.3D.1818

test_gomp_2.c:10: internal compiler error: verify_stmts failed
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.
make: *** [test_gomp] Error 1



int main(void) {


  int ii,jj;
  float a=1.0, b;

#pragma omp parallel for schedule(guided,1) private(jj)
  for ( ii = 1 ; ii <= 9 ; ii++ ) {
    for ( jj = 1 ; jj <= 9 ; jj++ ) {
      a = b;
    }
  }
}


-- 
           Summary: gomp ICE with -O2 and schedule(guided)
           Product: gcc
           Version: 4.2.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: perrin at msli dot com


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25989