hotspot:::object-alloc are not fired for one dimensional array allocations after
method is get compiled.

VM flavors : client | server
VM Modes : -Xmixed | -Xcomp

It does not work for both primitive types and objects.
However, it does work for for multidimensional array allocations.

Here is the result of running with -Xcomp:
# java -XX:+UnlockDiagnosticVMOptions -XX:+PauseAtStartup -XX:+ExtendedDTraceProbes -Xcomp Main & JAVA_PID=$!
# ./alloc.d vm.paused.$JAVA_PID -p $JAVA_PID
    method calls: 366 allocMultiDimIntArrayOf
    method calls: 366 allocOneDimIntArrayOf
    object allocs: 366 [[I

    method calls: 864 allocMultiDimIntArrayOf
    method calls: 864 allocOneDimIntArrayOf
    object allocs: 864 [[I

No probes are fired for "[I" at all.

Here is the result of running with -Xmixed:
# java -XX:+UnlockDiagnosticVMOptions -XX:+PauseAtStartup -XX:+ExtendedDTraceProbes -Xmixed -XX:CompileThreshold=100 Main & JAVA_PID=$!
# ./alloc.d vm.paused.$JAVA_PID -p $JAVA_PID
    method calls: 394 allocMultiDimIntArrayOf
    method calls: 394 allocOneDimIntArrayOf
    object allocs: 101 [I
    object allocs: 395 [[I

    method calls: 894 allocMultiDimIntArrayOf
    method calls: 894 allocOneDimIntArrayOf
    object allocs: 101 [I
    object allocs: 895 [[I

Probes were fired only for first 101 allocations
(before allocOneDimIntArrayOf was compiled).

The observation from Sundar:
It is probably related to different instructions used to allocate arrays -
for one dimensional arrays "anewarray/newarray" is used
and for multidimensional arrays - "multianewarray".

Steps to reproduce (files are attached):
1. javac Main.java
2. java -Xcomp -XX:+UnlockDiagnosticVMOptions -XX:+PauseAtStartup -XX:+ExtendedDTraceProbes Main & JAVA_PID=$!
3. ./alloc.d vm.paused.$JAVA_PID -p $JAVA_PID

Thanks Amit for finding this issue.