Fucking hell, how deep is this build configuration layered?

.gitignore

@@ -15,9 +15,6 @@
 /#Test/*.exe
 /ipch
 *.obj
-*.lib
-*.dll
-*.exe
 *.ilk
 *.idb
 *.pdb

blitz/blitz.vcxproj

@@ -14,7 +14,7 @@
     <SccProjectName />
     <SccLocalPath />
     <ProjectGuid>{C23AF61E-9509-411F-933E-17DB18884B21}</ProjectGuid>
-    <ProjectName>BlitzCc</ProjectName>
+    <ProjectName>BlitzCC</ProjectName>
     <WindowsTargetPlatformVersion>8.1</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />

compiler/declnode.cpp

@@ -76,7 +76,11 @@ void VarDeclNode::proto(DeclSeq *d, Environ *e) {
 			delete expr; expr = 0;
 		}
 
-		if (kind & DECL_PARAM) {
+		if (expr == nullptr) {
+			ex("Internal Error: expr turned into nullptr (3)");
+		}
+
+		if (kind & DECL_PARAM) { // Heap corruption, this being replaced again?
 			defType = ty->constType(); ty = defType->valueType;
 		}
 	} else if (constant) ex("Constants must be initialized");