diff options
Diffstat (limited to 'gcc/tree-tailcall.c')
| -rw-r--r-- | gcc/tree-tailcall.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/gcc/tree-tailcall.c b/gcc/tree-tailcall.c index e08978ca257..80c0521d831 100644 --- a/gcc/tree-tailcall.c +++ b/gcc/tree-tailcall.c @@ -33,6 +33,7 @@ along with GCC; see the file COPYING3. If not see #include "langhooks.h" #include "dbgcnt.h" #include "target.h" +#include "cfgloop.h" #include "common/common-target.h" /* The file implements the tail recursion elimination. It is also used to @@ -1011,7 +1012,12 @@ tree_optimize_tail_calls_1 (bool opt_tailcalls) } if (changed) - free_dominance_info (CDI_DOMINATORS); + { + /* We may have created new loops. Make them magically appear. */ + if (current_loops) + loops_state_set (LOOPS_NEED_FIXUP); + free_dominance_info (CDI_DOMINATORS); + } /* Add phi nodes for the virtual operands defined in the function to the header of the loop created by tail recursion elimination. Do so |