[Bug middle-end/53708] [4.8 Regression] Many failures of the objc tests with -O3 -fnext-runtime and -m32

[dominiq at lps dot ens.fr]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53708

--- Comment #4 from Dominique d'Humieres <dominiq at lps dot ens.fr> 2012-06-18 12:42:12 UTC ---
A clean bootstrap of revision 188725 with the patch in comment #2 just finished
without any problem. In addition the patch fixed the following failures in the
tests of obj-c++

Running target unix/-m32
...
FAIL: obj-c++.dg/torture/trivial.mm  -O3 -fomit-frame-pointer  -fnext-runtime
(test for excess errors)
WARNING: obj-c++.dg/torture/trivial.mm  -O3 -fomit-frame-pointer 
-fnext-runtime compilation failed to produce executable
FAIL: obj-c++.dg/torture/trivial.mm  -O3 -g  -fnext-runtime (test for excess
errors)
WARNING: obj-c++.dg/torture/trivial.mm  -O3 -g  -fnext-runtime compilation
failed to produce executable
FAIL: obj-c++.dg/torture/strings/const-str-7.mm  -O3 -fomit-frame-pointer 
-fnext-runtime (test for excess errors)
WARNING: obj-c++.dg/torture/strings/const-str-7.mm  -O3 -fomit-frame-pointer 
-fnext-runtime compilation failed to produce executable
FAIL: obj-c++.dg/torture/strings/const-str-7.mm  -O3 -g  -fnext-runtime (test
for excess errors)
WARNING: obj-c++.dg/torture/strings/const-str-7.mm  -O3 -g  -fnext-runtime
compilation failed to produce executable
FAIL: obj-c++.dg/torture/strings/const-str-8.mm  -O3 -fomit-frame-pointer 
-fnext-runtime (test for excess errors)
WARNING: obj-c++.dg/torture/strings/const-str-8.mm  -O3 -fomit-frame-pointer 
-fnext-runtime compilation failed to produce executable
FAIL: obj-c++.dg/torture/strings/const-str-8.mm  -O3 -g  -fnext-runtime (test
for excess errors)
WARNING: obj-c++.dg/torture/strings/const-str-8.mm  -O3 -g  -fnext-runtime
compilation failed to produce executable
FAIL: obj-c++.dg/torture/tls/thr-init-3.mm  -O3 -fomit-frame-pointer 
-fnext-runtime (test for excess errors)
WARNING: obj-c++.dg/torture/tls/thr-init-3.mm  -O3 -fomit-frame-pointer 
-fnext-runtime compilation failed to produce executable
FAIL: obj-c++.dg/torture/tls/thr-init-3.mm  -O3 -g  -fnext-runtime (test for
excess errors)
WARNING: obj-c++.dg/torture/tls/thr-init-3.mm  -O3 -g  -fnext-runtime
compilation failed to produce executable