gcc in SPEC fails to run

If either `c-parser.c` or `haifa-sched.c` is compiled with jlm-opt, then the generated executable fails to run correctly.

./benchspec/CPU/502.gcc_r/src/haifa-sched.c. has 5557 lines of code
./benchspec/CPU/502.gcc_r/src/c-parser.c has 8723 lines of code