[Bug target/45234] [4.4 Regression] ICE in expand_call, at calls.c:2845 when passing aligned function argument from unaligned stack after alloca

[truedfx at gentoo dot org]

------- Comment #6 from truedfx at gentoo dot org  2010-08-09 16:15 -------
With those two lines removed from 4.5.0, it looks like the stack will be
aligned properly by accident. When changing __builtin_alloca (2) to
__builtin_alloca (6), the only thing that changes in the generated code is

@@ -10,7 +10,7 @@
        movl    %esp, %ebp
        pushl   %ecx
        subl    $20, %esp
-       subl    $20, %esp
+       subl    $24, %esp
        movdqa  .LC0, %xmm0
        movdqa  %xmm0, (%esp)
        call    f


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45234