http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60721
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2014-04-01 Ever confirmed|0 |1 --- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> --- Reduced testcase: > cat t1.i extern char *getenv (const char *); int main () { getenv(""); } > cat t2.c #include <setjmp.h> extern char *getenv (const char *) __attribute__ ((__leaf__)); int init_smac() { jmp_buf come_back; getenv(""); return setjmp (come_back); } > ./xgcc -B. t1.i t2.c -flto t2.c: In function 'init_smac': t2.c:3:5: error: control flow in the middle of basic block 2 int init_smac() ^ t2.c:3:5: error: control flow in the middle of basic block 2 t2.c:3:5: internal compiler error: verify_flow_info failed