7017746: Regression : C2 compiler crash due to SIGSEGV in PhaseCFG::schedule_early()
Summary: Add TEMP edges (and KILL projections) before duplicated operands are removed in Expand() methods.
Reviewed-by: never
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/**
* @test
* @bug 7017746
* @summary Regression : C2 compiler crash due to SIGSEGV in PhaseCFG::schedule_early()
*
* @run main/othervm -Xbatch Test
*/
public class Test {
int i;
static int test(Test t, int a, int b) {
int j = t.i;
int x = a - b;
if (a < b) x = x + j;
return x - j;
}
public static void main(String args[]) {
Test t = new Test();
for (int n = 0; n < 1000000; n++) {
int i = test(t, 1, 2);
}
}
}