hg: jdk9/dev/langtools: 8073432: Object.getClass() throws stackless NPE, due to C2 intrinsic

[maurizio.cimadamore at oracle.com]

Changeset: edf685b5d413
Author:    mcimadamore
Date:      2015-03-05 15:03 +0000
URL:       http://hg.openjdk.java.net/jdk9/dev/langtools/rev/edf685b5d413

8073432: Object.getClass() throws stackless NPE, due to C2 intrinsic
Summary: Javac should generate NPE checks using Objects.requireNonNull if -target >= 7
Reviewed-by: jlahoda
Contributed-by: aleksey.shipilev at oracle.com

! src/jdk.compiler/share/classes/com/sun/tools/javac/code/Symtab.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/jvm/Gen.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/jvm/Target.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/util/Names.java
+ test/tools/javac/8074306/TestSyntheticNullChecks.java