[PATCH] Fix typo

[Xionghu Luo <yinyuefengyi@gmail.com>]

Fix typo and commit as obvious.

Signed-off-by: Xionghu Luo <xionghuluo@tencent.com>

gcc/ChangeLog:

	* cgraph.cc (cgraph_edge::redirect_call_stmt_to_callee): Fix
	typo.
	* tree-ssa-loop-ivopts.cc (struct iv_cand): Likewise.
	* tree-switch-conversion.h: Likewise.
---
 gcc/cgraph.cc                | 2 +-
 gcc/tree-ssa-loop-ivopts.cc  | 2 +-
 gcc/tree-switch-conversion.h | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/gcc/cgraph.cc b/gcc/cgraph.cc
index 7eeda53ca84..8d6ed38efa2 100644
--- a/gcc/cgraph.cc
+++ b/gcc/cgraph.cc
@@ -1423,7 +1423,7 @@ cgraph_edge::redirect_call_stmt_to_callee (cgraph_edge *e)
       else
 	{
 	  /* Be sure we redirect all speculative targets before poking
-	     abou tindirect edge.  */
+	     about indirect edge.  */
 	  gcc_checking_assert (e->callee);
 	  cgraph_edge *indirect = e->speculative_call_indirect_edge ();
 	  gcall *new_stmt;
diff --git a/gcc/tree-ssa-loop-ivopts.cc b/gcc/tree-ssa-loop-ivopts.cc
index 549168aebd6..a6f926a68ef 100644
--- a/gcc/tree-ssa-loop-ivopts.cc
+++ b/gcc/tree-ssa-loop-ivopts.cc
@@ -469,7 +469,7 @@ struct iv_cand
   bitmap inv_vars;	/* The list of invariant ssa_vars used in step of the
 			   iv_cand.  */
   bitmap inv_exprs;	/* If step is more complicated than a single ssa_var,
-			   hanlde it as a new invariant expression which will
+			   handle it as a new invariant expression which will
 			   be hoisted out of loop.  */
   struct iv *orig_iv;	/* The original iv if this cand is added from biv with
 			   smaller type.  */
diff --git a/gcc/tree-switch-conversion.h b/gcc/tree-switch-conversion.h
index 2b677d9f7e9..4063a6c16a0 100644
--- a/gcc/tree-switch-conversion.h
+++ b/gcc/tree-switch-conversion.h
@@ -249,7 +249,7 @@ public:
 
 /* Concrete subclass of group_cluster representing a collection
    of cases to be implemented as a jump table.
-   The "emit" vfunc gernerates a nested switch statement which
+   The "emit" vfunc generates a nested switch statement which
    is later lowered to a jump table.  */
 
 class jump_table_cluster: public group_cluster
-- 
2.27.0