Delete throw launchpads.

Bug: 13170824

Change-Id: I9d5834f5a66f5eb00f2ac80774e8c27dea99949e
diff --git a/compiler/dex/quick/arm/int_arm.cc b/compiler/dex/quick/arm/int_arm.cc
index d5b34a5..940ebc2 100644
--- a/compiler/dex/quick/arm/int_arm.cc
+++ b/compiler/dex/quick/arm/int_arm.cc
@@ -314,11 +314,11 @@
   /*
    * A common use of OpCmpImmBranch is for null checks, and using the Thumb 16-bit
    * compare-and-branch if zero is ideal if it will reach.  However, because null checks
-   * branch forward to a launch pad, they will frequently not reach - and thus have to
+   * branch forward to a slow path, they will frequently not reach - and thus have to
    * be converted to a long form during assembly (which will trigger another assembly
    * pass).  Here we estimate the branch distance for checks, and if large directly
    * generate the long form in an attempt to avoid an extra assembly pass.
-   * TODO: consider interspersing launchpads in code following unconditional branches.
+   * TODO: consider interspersing slowpaths in code following unconditional branches.
    */
   bool skip = ((target != NULL) && (target->opcode == kPseudoThrowTarget));
   skip &= ((cu_->code_item->insns_size_in_code_units_ - current_dalvik_offset_) > 64);
@@ -608,12 +608,6 @@
   return true;
 }
 
-LIR* ArmMir2Lir::GenRegMemCheck(ConditionCode c_code, RegStorage reg1, RegStorage base,
-                                int offset, ThrowKind kind) {
-  LOG(FATAL) << "Unexpected use of GenRegMemCheck for Arm";
-  return NULL;
-}
-
 RegLocation ArmMir2Lir::GenDivRem(RegLocation rl_dest, RegLocation rl_src1,
                       RegLocation rl_src2, bool is_div, bool check_zero) {
   LOG(FATAL) << "Unexpected use of GenDivRem for Arm";