Fix subproject again.

interpreter.py

@@ -1032,6 +1032,7 @@ class Interpreter():
         self.global_args_frozen = True
         mlog.log('\nExecuting subproject ', mlog.bold(dirname), '.\n', sep='')
         subi = Interpreter(self.build, dirname, subdir)
+        subi.subprojects = self.subprojects
 
         subi.subproject_stack = self.subproject_stack + [dirname]
         subi.run()

test cases/common/80 shared subproject 2/meson.build

@@ -1,5 +1,8 @@
 project('A', 'c')
 
+# Same as the previous test but use C and B in
+# the opposite order.
+
 C = subproject('C')
 c = C.get_variable('c')