asm-tests/i386-pc: Check that near jumps are 2 bytes.

We already check that jump over 300 bytes gap is 3 bytes in code16-mode.
Some clang versions generate 3-byte opcode for short jumps which makes
boot.img blow over 512-byte limit. Enforce -no-integrated-as in such cases

diff --git a/asm-tests/i386-pc.S b/asm-tests/i386-pc.S
index 97cd32a..f6f9a88 100644 (file)
--- a/asm-tests/i386-pc.S
+++ b/asm-tests/i386-pc.S
@@ -5,6 +5,10 @@
        .code16
        jmp far
        .org 4
-       .space 300
+       jmp nearer
+       .org 6
+       .space 100
+nearer:
+       .space 200
 far:
        .byte 0