diff --git a/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2BaseTest.java b/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2BaseTest.java
index 6e635b90e98..9822fb9c391 100644
--- a/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2BaseTest.java
+++ b/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2BaseTest.java
@@ -28,7 +28,6 @@ import org.eclipse.cdt.core.dom.ast.IASTExpressionStatement;
 import org.eclipse.cdt.core.dom.ast.IASTFunctionDefinition;
 import org.eclipse.cdt.core.dom.ast.IASTIdExpression;
 import org.eclipse.cdt.core.dom.ast.IASTName;
-import org.eclipse.cdt.core.dom.ast.IASTProblem;
 import org.eclipse.cdt.core.dom.ast.IASTTranslationUnit;
 import org.eclipse.cdt.core.dom.ast.IASTTypeIdExpression;
 import org.eclipse.cdt.core.dom.ast.IASTUnaryExpression;
@@ -122,13 +121,13 @@ public class AST2BaseTest extends TestCase {
          
         if( lang == ParserLanguage.C && expectNoProblems )
         {
-        	IASTProblem [] problems = CVisitor.getProblems(tu);
-        	assertEquals( problems.length, 0 );
+        	assertEquals( CVisitor.getProblems(tu).length, 0 );
+        	assertEquals( tu.getPreprocesorProblems().length, 0 );
         }
         else if ( lang == ParserLanguage.CPP && expectNoProblems )
         {
-        	IASTProblem [] problems = CPPVisitor.getProblems(tu);
-        	assertEquals( problems.length, 0 );
+        	assertEquals( CPPVisitor.getProblems(tu).length, 0 );
+        	assertEquals( tu.getPreprocesorProblems().length, 0 );
         }
         
         return tu;
diff --git a/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2Tests.java b/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2Tests.java
index c21edd01ff2..8b82d39aff4 100644
--- a/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2Tests.java
+++ b/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2Tests.java
@@ -2619,4 +2619,17 @@ public class AST2Tests extends AST2BaseTest {
        
        assertInstances( col, e, 2 );
    }
+   
+   public void testBug84176() throws Exception {
+      StringBuffer buffer = new StringBuffer( "// example from: C99 6.5.2.5-16\n" ); //$NON-NLS-1$
+      buffer.append( "struct s { int i; };\n"); //$NON-NLS-1$
+      buffer.append("void f (void)\n"); //$NON-NLS-1$
+      buffer.append("{\n"); //$NON-NLS-1$
+      buffer.append("		 struct s *p = 0, *q;\n"); //$NON-NLS-1$
+      buffer.append("int j = 0;\n"); //$NON-NLS-1$
+      buffer.append("q = p;\n"); //$NON-NLS-1$
+      buffer.append("p = &((struct s){ j++ }); \n");  //$NON-NLS-1$
+      buffer.append("}\n"); //$NON-NLS-1$
+      parse( buffer.toString(), ParserLanguage.C );
+   }
 }
\ No newline at end of file
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/ASTNode.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/ASTNode.java
index 35340928ce6..32ad742bf33 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/ASTNode.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/ASTNode.java
@@ -32,16 +32,19 @@ public abstract class ASTNode implements IASTNode {
     public void setOffset( int offset )
     {
         this.offset = offset;
+        this.locations = null;
     }
     
     public void setLength( int length )
     {
         this.length = length;
+        this.locations = null;
     }
     
     public void setOffsetAndLength(int offset, int length) {
         this.offset = offset;
         this.length = length;
+        this.locations = null;
     }
     
     public void setOffsetAndLength( ASTNode node )
@@ -49,12 +52,15 @@ public abstract class ASTNode implements IASTNode {
        setOffsetAndLength( node.getOffset(), node.getLength() );
     }
     
+    private IASTNodeLocation [] locations = null;
     /* (non-Javadoc)
      * @see org.eclipse.cdt.core.dom.ast.IASTNode#getNodeLocations()
      */
     public IASTNodeLocation[] getNodeLocations() {
+        if( locations != null ) return locations;
         if( length == 0 ) return EMPTY_LOCATION_ARRAY;
-        return getTranslationUnit().getLocationInfo( offset, length );
+        locations = getTranslationUnit().getLocationInfo( offset, length );
+        return locations;
     }
     
     /* (non-Javadoc)
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/c/CVisitor.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/c/CVisitor.java
index f1b76603bd1..30c8a9b61bf 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/c/CVisitor.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/c/CVisitor.java
@@ -34,6 +34,7 @@ import org.eclipse.cdt.core.dom.ast.IASTEnumerationSpecifier;
 import org.eclipse.cdt.core.dom.ast.IASTExpression;
 import org.eclipse.cdt.core.dom.ast.IASTExpressionList;
 import org.eclipse.cdt.core.dom.ast.IASTExpressionStatement;
+import org.eclipse.cdt.core.dom.ast.IASTFieldDeclarator;
 import org.eclipse.cdt.core.dom.ast.IASTFieldReference;
 import org.eclipse.cdt.core.dom.ast.IASTForStatement;
 import org.eclipse.cdt.core.dom.ast.IASTFunctionCallExpression;
@@ -1385,6 +1386,9 @@ public class CVisitor {
 		      if( mods[i].getConstantExpression() != null && 
 		            !visitExpression( mods[i].getConstantExpression(), action ) ) return false;
 		}
+		else if( declarator instanceof IASTFieldDeclarator )
+		   if( ! visitExpression( ((IASTFieldDeclarator) declarator).getBitFieldSize(), action ) ) return false;
+		
 		return true;
 	}
 	
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/c/GNUCSourceParser.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/c/GNUCSourceParser.java
index b04fc179415..c24315e6758 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/c/GNUCSourceParser.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/c/GNUCSourceParser.java
@@ -1938,6 +1938,8 @@ public class GNUCSourceParser extends AbstractGNUSourceCodeParser {
       } else if (bitField != null) {
          IASTFieldDeclarator fl = createFieldDeclarator();
          fl.setBitFieldSize(bitField);
+         bitField.setParent( fl );
+         bitField.setPropertyInParent( IASTFieldDeclarator.FIELD_SIZE );
          d = fl;
       } else {
          d = createDeclarator();
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPVisitor.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPVisitor.java
index e99bf30534b..71296f124f8 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPVisitor.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPVisitor.java
@@ -36,6 +36,7 @@ import org.eclipse.cdt.core.dom.ast.IASTEnumerationSpecifier;
 import org.eclipse.cdt.core.dom.ast.IASTExpression;
 import org.eclipse.cdt.core.dom.ast.IASTExpressionList;
 import org.eclipse.cdt.core.dom.ast.IASTExpressionStatement;
+import org.eclipse.cdt.core.dom.ast.IASTFieldDeclarator;
 import org.eclipse.cdt.core.dom.ast.IASTFieldReference;
 import org.eclipse.cdt.core.dom.ast.IASTForStatement;
 import org.eclipse.cdt.core.dom.ast.IASTFunctionCallExpression;
@@ -938,6 +939,9 @@ public class CPPVisitor {
 		if( declarator.getInitializer() != null )
 		    if( !visitInitializer( declarator.getInitializer(), action ) ) return false;
 		    
+		if( declarator instanceof IASTFieldDeclarator )
+			if( ! visitExpression( ((IASTFieldDeclarator) declarator).getBitFieldSize(), action ) ) return false;
+			
 		return true;
 	}
 	
diff --git a/core/org.eclipse.cdt.ui.tests/src/org/eclipse/cdt/ui/tests/DOMAST/CPopulateASTViewAction.java b/core/org.eclipse.cdt.ui.tests/src/org/eclipse/cdt/ui/tests/DOMAST/CPopulateASTViewAction.java
index 5a29943a679..769bc0d9677 100644
--- a/core/org.eclipse.cdt.ui.tests/src/org/eclipse/cdt/ui/tests/DOMAST/CPopulateASTViewAction.java
+++ b/core/org.eclipse.cdt.ui.tests/src/org/eclipse/cdt/ui/tests/DOMAST/CPopulateASTViewAction.java
@@ -19,6 +19,7 @@ import org.eclipse.cdt.core.dom.ast.IASTExpression;
 import org.eclipse.cdt.core.dom.ast.IASTInitializer;
 import org.eclipse.cdt.core.dom.ast.IASTName;
 import org.eclipse.cdt.core.dom.ast.IASTNode;
+import org.eclipse.cdt.core.dom.ast.IASTNodeLocation;
 import org.eclipse.cdt.core.dom.ast.IASTParameterDeclaration;
 import org.eclipse.cdt.core.dom.ast.IASTPointerOperator;
 import org.eclipse.cdt.core.dom.ast.IASTPreprocessorIncludeStatement;
@@ -30,7 +31,6 @@ import org.eclipse.cdt.core.dom.ast.IASTTypeId;
 import org.eclipse.cdt.core.dom.ast.IASTEnumerationSpecifier.IASTEnumerator;
 import org.eclipse.cdt.core.dom.ast.c.ICASTDesignatedInitializer;
 import org.eclipse.cdt.core.dom.ast.c.ICASTDesignator;
-import org.eclipse.cdt.core.parser.ast.IASTDesignator;
 import org.eclipse.cdt.internal.core.dom.parser.ASTNode;
 import org.eclipse.cdt.internal.core.dom.parser.c.CVisitor.CBaseVisitorAction;
 
@@ -59,9 +59,10 @@ public class CPopulateASTViewAction extends CBaseVisitorAction implements IPopul
 	}
 	
 	private void addRoot(IASTNode node) {
-		if (!(node.getNodeLocations().length > 0 && 
-				node.getNodeLocations()[0].getNodeOffset() >= 0 &&
-				node.getNodeLocations()[0].getNodeLength() > 0))
+		IASTNodeLocation[] nodeLocations = node.getNodeLocations();
+        if (!(nodeLocations.length > 0 && 
+				nodeLocations[0].getNodeOffset() >= 0 &&
+				nodeLocations[0].getNodeLength() > 0))
 			return;
 		
 		TreeParent parent = root.findParentOfNode(node);