diff --git a/core/org.eclipse.cdt.alltests/CDT Master Test Suite.launch b/core/org.eclipse.cdt.alltests/CDT Master Test Suite.launch
index 4468403fbf2..32c27f27b51 100644
--- a/core/org.eclipse.cdt.alltests/CDT Master Test Suite.launch	
+++ b/core/org.eclipse.cdt.alltests/CDT Master Test Suite.launch	
@@ -19,6 +19,9 @@
 <listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_TYPES">
 <listEntry value="1"/>
 </listAttribute>
+<mapAttribute key="org.eclipse.debug.core.environmentVariables">
+<mapEntry key="PATH" value="${env_var:PATH};d:\mingw\bin;d:\mingw\msys\1.0\bin"/>
+</mapAttribute>
 <stringAttribute key="org.eclipse.jdt.junit.CONTAINER" value=""/>
 <booleanAttribute key="org.eclipse.jdt.junit.KEEPRUNNING_ATTR" value="false"/>
 <stringAttribute key="org.eclipse.jdt.junit.TESTNAME" value=""/>
@@ -27,7 +30,7 @@
 <stringAttribute key="org.eclipse.jdt.launching.PROGRAM_ARGUMENTS" value="-os ${target.os} -ws ${target.ws} -arch ${target.arch} -nl ${target.nl} -consoleLog"/>
 <stringAttribute key="org.eclipse.jdt.launching.PROJECT_ATTR" value="org.eclipse.cdt.alltests"/>
 <stringAttribute key="org.eclipse.jdt.launching.SOURCE_PATH_PROVIDER" value="org.eclipse.pde.ui.workbenchClasspathProvider"/>
-<stringAttribute key="org.eclipse.jdt.launching.VM_ARGUMENTS" value="-Xms512m -Xmx1024m"/>
+<stringAttribute key="org.eclipse.jdt.launching.VM_ARGUMENTS" value="-Xms512m -Xmx896m -XX:MaxPermSize=356M"/>
 <stringAttribute key="pde.version" value="3.3"/>
 <stringAttribute key="product" value="org.eclipse.sdk.ide"/>
 <booleanAttribute key="run_in_ui_thread" value="true"/>