test indirect call

Former-commit-id: 2f5069c0654b84f921f3e7de5a7aec9a502b7068

.gitattributes

@@ -257,6 +257,7 @@ libIRDB/test/read_variantir.cpp -text
 libIRDB/test/rename_function.cpp -text
 libIRDB/test/tests/ibtarget/Makefile -text
 libIRDB/test/tests/ibtarget/README -text
+libIRDB/test/tests/ibtarget/icall.cpp -text
 libIRDB/test/tests/ibtarget/jmp.main.cpp -text
 libIRDB/test/tests/ibtarget/jmp.shared.cpp -text
 libIRDB/test/tests/ibtarget/jmp1.cpp -text

libIRDB/test/tests/ibtarget/icall.cpp

+#include <stdio.h>
+#include <stdlib.h>
+
+int add(int a, int b)
+{
+	printf("%d + %d = %d\n", a, b, a+b);
+	return a + b;
+}
+
+int sub(int a, int b)
+{
+	printf("%d - %d = %d\n", a, b, a-b);
+	return a - b;
+}
+
+int mul(int a, int b)
+{
+	printf("%d * %d = %d\n", a, b, a*b);
+	return a * b;
+}
+
+int main(int argc, char**argv)
+{
+	int (*fn)(int,int);
+
+	if (argc % 2)
+		fn = &add;
+	else
+		fn = &sub;
+
+	int result = (*fn)(argc, argc+1);
+	printf("result = %d\n", result);
+}