Configure Compiler to optimize out unused local variables

Fixes eclipse-platform/eclipse.platform.releng.aggregator#1653
eclipse-platform · Dec 10, 2023 · 48068b2 · 48068b2
1 parent 540177d
commit 48068b2
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Showing 86 changed files with 100 additions and 83 deletions.
diff --git a/ant/org.eclipse.ant.core/.settings/org.eclipse.jdt.core.prefs b/ant/org.eclipse.ant.core/.settings/org.eclipse.jdt.core.prefs
@@ -18,7 +18,7 @@ org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
 org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
-org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=optimize out
 org.eclipse.jdt.core.compiler.compliance=17
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate

diff --git a/ant/org.eclipse.ant.launching/.settings/org.eclipse.jdt.core.prefs b/ant/org.eclipse.ant.launching/.settings/org.eclipse.jdt.core.prefs
@@ -18,7 +18,7 @@ org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
 org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
-org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=optimize out
 org.eclipse.jdt.core.compiler.compliance=17
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate

diff --git a/ant/org.eclipse.ant.tests.core/.settings/org.eclipse.jdt.core.prefs b/ant/org.eclipse.ant.tests.core/.settings/org.eclipse.jdt.core.prefs
@@ -21,7 +21,7 @@ org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
 org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
-org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=optimize out
 org.eclipse.jdt.core.compiler.compliance=17
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate

diff --git a/ant/org.eclipse.ant.tests.ui/.settings/org.eclipse.jdt.core.prefs b/ant/org.eclipse.ant.tests.ui/.settings/org.eclipse.jdt.core.prefs
@@ -22,7 +22,7 @@ org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
 org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
-org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=optimize out
 org.eclipse.jdt.core.compiler.compliance=17
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate

diff --git a/ant/org.eclipse.ant.ui/.settings/org.eclipse.jdt.core.prefs b/ant/org.eclipse.ant.ui/.settings/org.eclipse.jdt.core.prefs
@@ -18,7 +18,7 @@ org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
 org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
-org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=optimize out
 org.eclipse.jdt.core.compiler.compliance=17
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate

diff --git a/debug/org.eclipse.core.externaltools/.settings/org.eclipse.jdt.core.prefs b/debug/org.eclipse.core.externaltools/.settings/org.eclipse.jdt.core.prefs
@@ -20,7 +20,7 @@ org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
 org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
-org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=optimize out
 org.eclipse.jdt.core.compiler.compliance=17
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate

diff --git a/debug/org.eclipse.core.variables/.settings/org.eclipse.jdt.core.prefs b/debug/org.eclipse.core.variables/.settings/org.eclipse.jdt.core.prefs
@@ -20,7 +20,7 @@ org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
 org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
-org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=optimize out
 org.eclipse.jdt.core.compiler.compliance=17
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate

diff --git a/debug/org.eclipse.debug.core/.settings/org.eclipse.jdt.core.prefs b/debug/org.eclipse.debug.core/.settings/org.eclipse.jdt.core.prefs
@@ -20,7 +20,7 @@ org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
 org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
-org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=optimize out
 org.eclipse.jdt.core.compiler.compliance=17
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate

diff --git a/debug/org.eclipse.debug.examples.core/.settings/org.eclipse.jdt.core.prefs b/debug/org.eclipse.debug.examples.core/.settings/org.eclipse.jdt.core.prefs
@@ -21,7 +21,7 @@ org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
 org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
-org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=optimize out
 org.eclipse.jdt.core.compiler.compliance=17
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate

diff --git a/debug/org.eclipse.debug.examples.memory/.settings/org.eclipse.jdt.core.prefs b/debug/org.eclipse.debug.examples.memory/.settings/org.eclipse.jdt.core.prefs
@@ -20,7 +20,7 @@ org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
 org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
-org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=optimize out
 org.eclipse.jdt.core.compiler.compliance=17
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate

diff --git a/debug/org.eclipse.debug.examples.mixedmode/.settings/org.eclipse.jdt.core.prefs b/debug/org.eclipse.debug.examples.mixedmode/.settings/org.eclipse.jdt.core.prefs
@@ -20,7 +20,7 @@ org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
 org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
-org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=optimize out
 org.eclipse.jdt.core.compiler.compliance=17
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate

diff --git a/debug/org.eclipse.debug.examples.ui/.settings/org.eclipse.jdt.core.prefs b/debug/org.eclipse.debug.examples.ui/.settings/org.eclipse.jdt.core.prefs
@@ -21,7 +21,7 @@ org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
 org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
-org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=optimize out
 org.eclipse.jdt.core.compiler.compliance=17
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate

diff --git a/debug/org.eclipse.debug.tests/.settings/org.eclipse.jdt.core.prefs b/debug/org.eclipse.debug.tests/.settings/org.eclipse.jdt.core.prefs
@@ -21,7 +21,7 @@ org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
 org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
-org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=optimize out
 org.eclipse.jdt.core.compiler.compliance=17
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate

diff --git a/debug/org.eclipse.debug.ui.launchview.tests/.settings/org.eclipse.jdt.core.prefs b/debug/org.eclipse.debug.ui.launchview.tests/.settings/org.eclipse.jdt.core.prefs
@@ -21,7 +21,7 @@ org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
 org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
-org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=optimize out
 org.eclipse.jdt.core.compiler.compliance=17
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate

diff --git a/debug/org.eclipse.debug.ui.launchview/.settings/org.eclipse.jdt.core.prefs b/debug/org.eclipse.debug.ui.launchview/.settings/org.eclipse.jdt.core.prefs
@@ -21,7 +21,7 @@ org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
 org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
-org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=optimize out
 org.eclipse.jdt.core.compiler.compliance=17
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate

diff --git a/debug/org.eclipse.debug.ui/.settings/org.eclipse.jdt.core.prefs b/debug/org.eclipse.debug.ui/.settings/org.eclipse.jdt.core.prefs
@@ -21,7 +21,7 @@ org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
 org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
-org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=optimize out
 org.eclipse.jdt.core.compiler.compliance=17
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate

diff --git a/debug/org.eclipse.ui.console/.settings/org.eclipse.jdt.core.prefs b/debug/org.eclipse.ui.console/.settings/org.eclipse.jdt.core.prefs
@@ -20,7 +20,7 @@ org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
 org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
-org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=optimize out
 org.eclipse.jdt.core.compiler.compliance=17
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate

diff --git a/debug/org.eclipse.ui.externaltools/.settings/org.eclipse.jdt.core.prefs b/debug/org.eclipse.ui.externaltools/.settings/org.eclipse.jdt.core.prefs
@@ -20,7 +20,7 @@ org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
 org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
-org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=optimize out
 org.eclipse.jdt.core.compiler.compliance=17
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate

diff --git a/debug/org.eclipse.unittest.ui/.settings/org.eclipse.jdt.core.prefs b/debug/org.eclipse.unittest.ui/.settings/org.eclipse.jdt.core.prefs
@@ -31,7 +31,7 @@ org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
 org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
-org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=optimize out
 org.eclipse.jdt.core.compiler.compliance=17
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate

diff --git a/platform/org.eclipse.platform/.settings/org.eclipse.jdt.core.prefs b/platform/org.eclipse.platform/.settings/org.eclipse.jdt.core.prefs
@@ -11,7 +11,7 @@ org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
 org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
-org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=optimize out
 org.eclipse.jdt.core.compiler.compliance=17
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate

diff --git a/resources/bundles/org.eclipse.core.filesystem/.settings/org.eclipse.jdt.core.prefs b/resources/bundles/org.eclipse.core.filesystem/.settings/org.eclipse.jdt.core.prefs
@@ -18,7 +18,7 @@ org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
 org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
-org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=optimize out
 org.eclipse.jdt.core.compiler.compliance=17
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate

diff --git a/resources/bundles/org.eclipse.core.resources.spysupport/.settings/org.eclipse.jdt.core.prefs b/resources/bundles/org.eclipse.core.resources.spysupport/.settings/org.eclipse.jdt.core.prefs
@@ -8,7 +8,7 @@ org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
 org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
-org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=optimize out
 org.eclipse.jdt.core.compiler.compliance=17
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate

diff --git a/resources/bundles/org.eclipse.core.resources/.settings/org.eclipse.jdt.core.prefs b/resources/bundles/org.eclipse.core.resources/.settings/org.eclipse.jdt.core.prefs
@@ -18,7 +18,7 @@ org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
 org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
-org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=optimize out
 org.eclipse.jdt.core.compiler.compliance=17
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate

diff --git a/resources/bundles/org.eclipse.core.tools.resources/.settings/org.eclipse.jdt.core.prefs b/resources/bundles/org.eclipse.core.tools.resources/.settings/org.eclipse.jdt.core.prefs
@@ -19,7 +19,7 @@ org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
 org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
-org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=optimize out
 org.eclipse.jdt.core.compiler.compliance=17
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate

diff --git a/resources/examples/org.eclipse.ui.examples.filesystem/.settings/org.eclipse.jdt.core.prefs b/resources/examples/org.eclipse.ui.examples.filesystem/.settings/org.eclipse.jdt.core.prefs
@@ -1,6 +1,12 @@
 eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
 org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=optimize out
 org.eclipse.jdt.core.compiler.compliance=17
+org.eclipse.jdt.core.compiler.debug.lineNumber=generate
+org.eclipse.jdt.core.compiler.debug.localVariable=generate
+org.eclipse.jdt.core.compiler.debug.sourceFile=generate
 org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
 org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
 org.eclipse.jdt.core.compiler.problem.enumIdentifier=error

diff --git a/...sts/org.eclipse.core.tests.resources.saveparticipant/.settings/org.eclipse.jdt.core.prefs b/...sts/org.eclipse.core.tests.resources.saveparticipant/.settings/org.eclipse.jdt.core.prefs
@@ -2,7 +2,7 @@ eclipse.preferences.version=1
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
 org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
-org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=optimize out
 org.eclipse.jdt.core.compiler.compliance=17
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate

diff --git a/...ts/org.eclipse.core.tests.resources.saveparticipant1/.settings/org.eclipse.jdt.core.prefs b/...ts/org.eclipse.core.tests.resources.saveparticipant1/.settings/org.eclipse.jdt.core.prefs
@@ -2,7 +2,7 @@ eclipse.preferences.version=1
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
 org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
-org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=optimize out
 org.eclipse.jdt.core.compiler.compliance=17
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate

diff --git a/...ts/org.eclipse.core.tests.resources.saveparticipant2/.settings/org.eclipse.jdt.core.prefs b/...ts/org.eclipse.core.tests.resources.saveparticipant2/.settings/org.eclipse.jdt.core.prefs
@@ -2,7 +2,7 @@ eclipse.preferences.version=1
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
 org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
-org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=optimize out
 org.eclipse.jdt.core.compiler.compliance=17
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate

diff --git a/...ts/org.eclipse.core.tests.resources.saveparticipant3/.settings/org.eclipse.jdt.core.prefs b/...ts/org.eclipse.core.tests.resources.saveparticipant3/.settings/org.eclipse.jdt.core.prefs
@@ -2,7 +2,7 @@ eclipse.preferences.version=1
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
 org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
-org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=optimize out
 org.eclipse.jdt.core.compiler.compliance=17
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate

diff --git a/resources/tests/org.eclipse.core.tests.resources/.settings/org.eclipse.jdt.core.prefs b/resources/tests/org.eclipse.core.tests.resources/.settings/org.eclipse.jdt.core.prefs
@@ -17,7 +17,7 @@ org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
 org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
-org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=optimize out
 org.eclipse.jdt.core.compiler.compliance=17
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate

diff --git a/runtime/bundles/org.eclipse.core.contenttype/.settings/org.eclipse.jdt.core.prefs b/runtime/bundles/org.eclipse.core.contenttype/.settings/org.eclipse.jdt.core.prefs
@@ -20,7 +20,7 @@ org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
 org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
-org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=optimize out
 org.eclipse.jdt.core.compiler.compliance=17
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate

diff --git a/runtime/bundles/org.eclipse.core.expressions/.settings/org.eclipse.jdt.core.prefs b/runtime/bundles/org.eclipse.core.expressions/.settings/org.eclipse.jdt.core.prefs
@@ -30,7 +30,7 @@ org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
 org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
-org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=optimize out
 org.eclipse.jdt.core.compiler.compliance=17
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate

diff --git a/runtime/bundles/org.eclipse.core.jobs/.settings/org.eclipse.jdt.core.prefs b/runtime/bundles/org.eclipse.core.jobs/.settings/org.eclipse.jdt.core.prefs
@@ -12,7 +12,7 @@ org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
 org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
-org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=optimize out
 org.eclipse.jdt.core.compiler.compliance=17
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate

diff --git a/runtime/bundles/org.eclipse.core.runtime/.settings/org.eclipse.jdt.core.prefs b/runtime/bundles/org.eclipse.core.runtime/.settings/org.eclipse.jdt.core.prefs
@@ -20,7 +20,7 @@ org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
 org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
-org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=optimize out
 org.eclipse.jdt.core.compiler.compliance=17
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate

diff --git a/runtime/bundles/org.eclipse.core.tools/.settings/org.eclipse.jdt.core.prefs b/runtime/bundles/org.eclipse.core.tools/.settings/org.eclipse.jdt.core.prefs
@@ -12,7 +12,7 @@ org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
 org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
-org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=optimize out
 org.eclipse.jdt.core.compiler.compliance=17
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate

diff --git a/runtime/bundles/org.eclipse.e4.core.contexts/.settings/org.eclipse.jdt.core.prefs b/runtime/bundles/org.eclipse.e4.core.contexts/.settings/org.eclipse.jdt.core.prefs
@@ -18,7 +18,7 @@ org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
 org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
-org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=optimize out
 org.eclipse.jdt.core.compiler.compliance=17
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate