Not using exceptions anymore thus these now work on 32bit.

test/NullDeref/BinOp.C

@@ -1,6 +1,5 @@
 // RUN: cat %s | %cling -Xclang -verify
 //This file checks a pointer load operation for null prt dereference.
-// XFAIL: i686-pc-linux-gnu
 int *p = 0;
 int x;
 x = *p + 2; // expected-warning {{null passed to a callee which requires a non-null argument}}

test/NullDeref/Cast.C

@@ -1,6 +1,5 @@
 // RUN: cat %s | %cling -Xclang -verify
 //This file checks a pointer load operation for null prt dereference.
-// XFAIL: i686-pc-linux-gnu
 int *p = 0;;
 double x;
 x = double(*p); // expected-warning {{null passed to a callee which requires a non-null argument}}

test/NullDeref/Load.C

@@ -1,6 +1,5 @@
 // RUN: cat %s | %cling -Xclang -verify
 //This file checks a pointer load operation for null prt dereference.
-// XFAIL: i686-pc-linux-gnu
 int *p;
 int x;
 x = *p; // expected-warning {{null passed to a callee which requires a non-null argument}}

test/NullDeref/NonNullArg.C

@@ -2,7 +2,6 @@
 //This file checks a call instruction. The called function has arguments with nonnull attribute.
 #include <string.h>
 // XFAIL: darwin
-// XFAIL: i686-pc-linux-gnu
 
 char *p = 0;
 strcmp("a", p); // expected-warning {{null passed to a callee which requires a non-null argument}}

test/NullDeref/NonNullArgCustom.C

@@ -5,7 +5,6 @@
 // attribute to a say library function.
 
 // Qualified functions.
-// XFAIL: i686-pc-linux-gnu
 extern "C" int printf(const char* fmt, ...);
 namespace custom_namespace {
   void standaloneFunc(void* p, int q, float* s) __attribute__((nonnull(1,3))) { // expected-warning {{GCC does not allow nonnull attribute in this position on a function definition}}

test/NullDeref/Store.C

@@ -1,7 +1,6 @@
 // RUN: cat %s | %cling -Xclang -verify
 
 //This file checks a pointer store operation for null ptr dereference.
-// XFAIL: i686-pc-linux-gnu
 int *p;
 *p = 6; // expected-warning {{null passed to a callee which requires a non-null argument}}
 .q