Added ADDR_EXPR handling

plugin/main.cpp

@@ -117,6 +117,7 @@ static void scan_tree_for_components(tree t, const char *funcname, gimple_stmt_i
         case CONVERT_EXPR:
         case NOP_EXPR:
         case VIEW_CONVERT_EXPR:
+		case ADDR_EXPR:
             scan_tree_for_components(TREE_OPERAND(t,0), funcname, gsi);
             break;
         case ARRAY_REF:

subject/main.c

@@ -1,5 +1,6 @@
 #include <stdio.h>
 #include <stddef.h>
+#include <stdlib.h>
 
 #define container_of(ptr, type, member) ({ \
 	const typeof(((type*)0)->member)* __mptr = (ptr); \
@@ -29,5 +30,10 @@ int main(int argc, char** argv) {
 	struct B b = { 1, 2, 3, NULL, 4.f, a, NULL };
 
 	b.m2 = 42;
+
+	struct B* someB = (struct B*)malloc(sizeof(struct B));
+	float* someB_m4 = &someB->m4;
+	container_of(someB_m4, struct B, m4)->m1 = 'x';
+
 	return 0;
 }