Backed out changeset 7c26d27a3635 (bug 1324093) for jit6 assert failure

mfbt/Assertions.h

@@ -148,7 +148,7 @@ MOZ_BEGIN_EXTERN_C
  * method is primarily for internal use in this header, and only secondarily
  * for use in implementing release-build assertions.
  */
-MOZ_MAYBE_UNUSED static MOZ_COLD MOZ_NEVER_INLINE void
+static MOZ_COLD MOZ_ALWAYS_INLINE void
 MOZ_ReportAssertionFailure(const char* aStr, const char* aFilename, int aLine)
   MOZ_PRETEND_NORETURN_FOR_STATIC_ANALYSIS
 {
@@ -165,7 +165,7 @@ MOZ_ReportAssertionFailure(const char* aStr, const char* aFilename, int aLine)
 #endif
 }
 
-MOZ_MAYBE_UNUSED static MOZ_COLD MOZ_NEVER_INLINE void
+static MOZ_COLD MOZ_ALWAYS_INLINE void
 MOZ_ReportCrash(const char* aStr, const char* aFilename, int aLine)
   MOZ_PRETEND_NORETURN_FOR_STATIC_ANALYSIS
 {