From 77a482feace5aed4a61245d5894994a50517aa40 Mon Sep 17 00:00:00 2001
From: wolfbeast <mcwerewolf@gmail.com>
Date: Mon, 26 Jun 2017 23:40:37 +0200
Subject: Remove VerifyBarriers() and MaybeVerifyBarriers() stubs and callers.

---
 js/src/jit-test/tests/ion/bug730152.js |  4 ----
 js/src/jit-test/tests/ion/bug732758.js |  1 -
 js/src/jit/VMFunctions.cpp             |  4 ----
 js/src/jsgc.h                          | 10 ----------
 js/src/vm/Interpreter.cpp              | 10 ----------
 5 files changed, 29 deletions(-)
 delete mode 100644 js/src/jit-test/tests/ion/bug730152.js

(limited to 'js/src')

diff --git a/js/src/jit-test/tests/ion/bug730152.js b/js/src/jit-test/tests/ion/bug730152.js
deleted file mode 100644
index fe4ecfe14..000000000
--- a/js/src/jit-test/tests/ion/bug730152.js
+++ /dev/null
@@ -1,4 +0,0 @@
-if (typeof verifybarriers !== "undefined") {
-    for (var i = 0; i < 30; i++) {}
-    for (i in Function("gc(verifybarriers()); yield")()) {}
-}
diff --git a/js/src/jit-test/tests/ion/bug732758.js b/js/src/jit-test/tests/ion/bug732758.js
index 91da521c7..8196c3e03 100644
--- a/js/src/jit-test/tests/ion/bug732758.js
+++ b/js/src/jit-test/tests/ion/bug732758.js
@@ -38,5 +38,4 @@ tryItOut("{t:g}");
 tryItOut("r");
 tryItOut("p");
 tryItOut("gc()");
-tryItOut("verifybarriers()");
 tryItOut("/**/yield");
diff --git a/js/src/jit/VMFunctions.cpp b/js/src/jit/VMFunctions.cpp
index a299d27a5..4edbc3c83 100644
--- a/js/src/jit/VMFunctions.cpp
+++ b/js/src/jit/VMFunctions.cpp
@@ -135,7 +135,6 @@ CheckOverRecursed(JSContext* cx)
 #else
     JS_CHECK_RECURSION(cx, return false);
 #endif
-    gc::MaybeVerifyBarriers(cx);
     return cx->runtime()->handleInterrupt(cx);
 }
 
@@ -180,7 +179,6 @@ CheckOverRecursedWithExtra(JSContext* cx, BaselineFrame* frame,
     JS_CHECK_RECURSION_WITH_SP(cx, checkSp, return false);
 #endif
 
-    gc::MaybeVerifyBarriers(cx);
     return cx->runtime()->handleInterrupt(cx);
 }
 
@@ -465,8 +463,6 @@ SetProperty(JSContext* cx, HandleObject obj, HandlePropertyName name, HandleValu
 bool
 InterruptCheck(JSContext* cx)
 {
-    gc::MaybeVerifyBarriers(cx);
-
     {
         JSRuntime* rt = cx->runtime();
         JitRuntime::AutoPreventBackedgePatching apbp(rt);
diff --git a/js/src/jsgc.h b/js/src/jsgc.h
index c0d86781d..7ad176d84 100644
--- a/js/src/jsgc.h
+++ b/js/src/jsgc.h
@@ -1264,16 +1264,6 @@ enum VerifierType {
     PreBarrierVerifier
 };
 
-static inline void
-VerifyBarriers(JSRuntime* rt, VerifierType type)
-{
-}
-
-static inline void
-MaybeVerifyBarriers(JSContext* cx, bool always = false)
-{
-}
-
 /*
  * Instances of this class set the |JSRuntime::suppressGC| flag for the duration
  * that they are live. Use of this class is highly discouraged. Please carefully
diff --git a/js/src/vm/Interpreter.cpp b/js/src/vm/Interpreter.cpp
index 3ca379d01..fbf526ae5 100644
--- a/js/src/vm/Interpreter.cpp
+++ b/js/src/vm/Interpreter.cpp
@@ -1647,7 +1647,6 @@ Interpret(JSContext* cx, RunState& state)
 #define ADVANCE_AND_DISPATCH(N)                                               \
     JS_BEGIN_MACRO                                                            \
         REGS.pc += (N);                                                       \
-        SANITY_CHECKS();                                                      \
         DISPATCH_TO(*REGS.pc | activation.opMask());                          \
     JS_END_MACRO
 
@@ -1727,12 +1726,6 @@ Interpret(JSContext* cx, RunState& state)
             activation.enableInterruptsUnconditionally();                     \
     JS_END_MACRO
 
-#define SANITY_CHECKS()                                                       \
-    JS_BEGIN_MACRO                                                            \
-        js::gc::MaybeVerifyBarriers(cx);                                      \
-    JS_END_MACRO
-
-    gc::MaybeVerifyBarriers(cx, true);
     MOZ_ASSERT(!cx->zone()->types.activeAnalysis);
 
     InterpreterFrame* entryFrame = state.pushInterpreterFrame(cx);
@@ -1863,7 +1856,6 @@ CASE(EnableInterruptsPseudoOpcode)
         activation.clearInterruptsMask();
 
     /* Commence executing the actual opcode. */
-    SANITY_CHECKS();
     DISPATCH_TO(op);
 }
 
@@ -4184,8 +4176,6 @@ DEFAULT()
         REGS.fp()->epilogue(cx, REGS.pc);
     }
 
-    gc::MaybeVerifyBarriers(cx, true);
-
     TraceLogStopEvent(logger, TraceLogger_Engine);
     TraceLogStopEvent(logger, scriptEvent);
 
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