Issue #9566, #19617: New try to fix compilation on Windows

vstinner · vstinner · commit 85fe8a645e06 · 2013-11-19T23:03:25.000+01:00
Some compilers (ex: Visual Studio) decode -2147483648 as a unsigned integer
instead of an signed integer.
diff --git a/Python/compile.c b/Python/compile.c
@@ -1183,7 +1183,7 @@ compiler_addop_i(struct compiler *c, Py_ssize_t opcode, Py_ssize_t oparg)
 
     /* Integer arguments are limit to 16-bit. There is an extension for 32-bit
        integer arguments. */
-    assert(-2147483648 <= opcode);
+    assert((-2147483647-1) <= opcode);
     assert(opcode <= 2147483647);
 
     off = compiler_next_instr(c, c->u->u_curblock);
