src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.asm.aarch64/src/org/graalvm/compiler/asm/aarch64/AArch64MacroAssembler.java

rev 56282 : [mq]: graal

@@ -1704,10 +1704,13 @@
                 int sizeEncoding = information & 1;
                 int regEncoding = information >>> 1;
                 Register reg = AArch64.cpuRegisters.get(regEncoding);
                 // 1 => 64; 0 => 32
                 int size = sizeEncoding * 32 + 32;
+                if (!NumUtil.isSignedNbit(21, branchOffset)) {
+                    throw new BranchTargetOutOfBoundsException(true, "Branch target %d out of bounds", branchOffset);
+                }
                 switch (type) {
                     case BRANCH_NONZERO:
                         super.cbnz(size, reg, branchOffset, branch);
                         break;
                     case BRANCH_ZERO: