On Fri, Sep 30, 2016 at 05:32:31PM -0400, Jason Merrill wrote: > On Fri, Sep 30, 2016 at 4:10 AM, Jakub Jelinek <ja...@redhat.com> wrote: > > On Thu, Sep 29, 2016 at 10:57:07PM +0000, Joseph Myers wrote: > >> This is missing documentation of the new -Wregister option in invoke.texi. > > > > While I had it in my head when working on the patch, I forgot to do that in > > the end. > > Fixed thusly, ok for trunk? > > OK. But also, the patch has introduced several check-c++1z failures: > > > FAIL: g++.dg/charset/asm2.c -std=c++1z (test for excess errors) > > FAIL: g++.dg/ext/asm3.C -std=c++1z (test for excess errors) > > FAIL: g++.dg/tls/diag-2.C -std=c++1z (test for excess errors) > > FAIL: g++.dg/tls/diag-4.C -std=c++1z (test for excess errors) > > FAIL: g++.old-deja/g++.brendan/warnings4.C -std=c++1z (test for excess > > errors) > > FAIL: g++.old-deja/g++.eh/ia64-1.C -std=gnu++1z (test for excess errors) > > FAIL: g++.old-deja/g++.jason/enum3.C -std=gnu++1z (test for excess errors) > > FAIL: g++.old-deja/g++.mike/net31.C -std=c++1z (test for excess errors) > > FAIL: g++.old-deja/g++.mike/p700.C -std=gnu++1z (test for excess errors) > > FAIL: g++.old-deja/g++.other/regstack.C -std=gnu++1z (test for excess > > errors)
Oops, I've been planning to do check-c++-all after the bootstrap/regtest, but apparently forgot to do that in the end. The following patch should fix that, ok for trunk? 2016-10-01 Jakub Jelinek <ja...@redhat.com> * g++.dg/ext/asm3.C (two): Only use register keyword for C++14 and earlier. * g++.dg/charset/asm2.c (memmove): Likewise. * g++.dg/tls/diag-2.C (foo): Expect -Wregister error for C++17. * g++.dg/tls/diag-4.C (foo): Likewise. * c-c++-common/vector-subscript-2.c (vf): Change dg-error to dg-warning, fix up regex. * g++.old-deja/g++.brendan/warnings4.C: Limit to c++14_down targets. * g++.old-deja/g++.mike/p700.C: Add -Wno-register. * g++.old-deja/g++.mike/net31.C: Likewise. * g++.old-deja/g++.other/regstack.C (foo): Expect -Wregister warning for C++17. * g++.old-deja/g++.jason/enum3.C: Add -Wno-register. * g++.old-deja/g++.eh/ia64-1.C: Likewise. --- gcc/testsuite/g++.dg/ext/asm3.C.jj 2014-09-25 15:02:34.000000000 +0200 +++ gcc/testsuite/g++.dg/ext/asm3.C 2016-10-01 01:00:53.107415429 +0200 @@ -7,9 +7,12 @@ int two(int in) { - register int out; +#if __cplusplus <= 201402L + register +#endif + int out; __asm__ ("" : "r" (out) : "r" (in)); return out; } -// { dg-message "error:" "" { target *-*-* } 11 } +// { dg-message "error:" "" { target *-*-* } 14 } --- gcc/testsuite/g++.dg/charset/asm2.c.jj 2014-09-25 15:02:36.000000000 +0200 +++ gcc/testsuite/g++.dg/charset/asm2.c 2016-10-01 00:58:59.594839475 +0200 @@ -10,7 +10,10 @@ void * memmove (void *__dest, __const void *__src, size_t __n) { - register unsigned long int __d0, __d1, __d2; +#if __cplusplus <= 201402L + register +#endif + unsigned long int __d0, __d1, __d2; if (__dest < __src) __asm__ __volatile__ ("cld\n\t" --- gcc/testsuite/g++.dg/tls/diag-2.C.jj 2014-09-25 15:02:36.000000000 +0200 +++ gcc/testsuite/g++.dg/tls/diag-2.C 2016-10-01 01:03:03.002785384 +0200 @@ -12,7 +12,7 @@ void foo() auto __thread int l2; /* { dg-error "multiple storage classes|data types" } */ __thread extern int l3; /* { dg-error "'__thread' before 'extern'" } */ register __thread int l4; /* { dg-error "multiple storage classes" } */ -} +} /* { dg-error "ISO C\\+\\+1z does not allow 'register' storage class specifier" "" { target c++1z } .-1 } */ __thread void f1 (); /* { dg-error "invalid for function" } */ extern __thread void f2 (); /* { dg-error "invalid for function" } */ --- gcc/testsuite/g++.dg/tls/diag-4.C.jj 2014-09-25 15:02:36.000000000 +0200 +++ gcc/testsuite/g++.dg/tls/diag-4.C 2016-10-01 01:03:28.986458585 +0200 @@ -7,4 +7,4 @@ void foo() { __thread auto int l2; /* { dg-error "multiple storage classes|data types" } */ __thread register int l4; /* { dg-error "multiple storage classes" } */ -} +} /* { dg-error "ISO C\\+\\+1z does not allow 'register' storage class specifier" "" { target c++1z } .-1 } */ --- gcc/testsuite/c-c++-common/vector-subscript-2.c.jj 2016-09-30 18:40:58.335979346 +0200 +++ gcc/testsuite/c-c++-common/vector-subscript-2.c 2016-10-01 01:22:19.577245968 +0200 @@ -7,6 +7,6 @@ float vf(int i) { - register vector float a; // { dg-error "ISO C++1z does not allow 'register' storage class specifier" "" { target c++1z } } + register vector float a; // { dg-warning "ISO C\\+\\+1z does not allow 'register' storage class specifier" "" { target c++1z } } return a[0]; } --- gcc/testsuite/g++.old-deja/g++.brendan/warnings4.C.jj 2014-09-25 15:02:10.000000000 +0200 +++ gcc/testsuite/g++.old-deja/g++.brendan/warnings4.C 2016-10-01 01:05:18.605079901 +0200 @@ -1,4 +1,4 @@ -// { dg-do assemble } +// { dg-do assemble { target c++14_down } } // GROUPS passed warnings int main () --- gcc/testsuite/g++.old-deja/g++.mike/p700.C.jj 2014-09-25 15:02:12.000000000 +0200 +++ gcc/testsuite/g++.old-deja/g++.mike/p700.C 2016-10-01 01:07:48.797190919 +0200 @@ -1,5 +1,5 @@ // { dg-do assemble } -// { dg-options "-Wno-deprecated" } +// { dg-options "-Wno-deprecated -Wno-register" } // { dg-error "limited range of data type" "16-bit target" { target xstormy16-*-* } 0 } // prms-id: 700 --- gcc/testsuite/g++.old-deja/g++.mike/net31.C.jj 2014-09-25 15:02:12.000000000 +0200 +++ gcc/testsuite/g++.old-deja/g++.mike/net31.C 2016-10-01 01:07:18.519571724 +0200 @@ -1,4 +1,5 @@ // { dg-do assemble } +// { dg-additional-options "-Wno-register" } class foo_a { protected: --- gcc/testsuite/g++.old-deja/g++.other/regstack.C.jj 2014-09-25 15:02:11.000000000 +0200 +++ gcc/testsuite/g++.old-deja/g++.other/regstack.C 2016-10-01 01:08:49.143431939 +0200 @@ -3,7 +3,7 @@ inline double foo (double x) { - register double r; + register double r; // { dg-warning "ISO C\\+\\+1z does not allow 'register' storage class specifier" "" { target c++1z } } asm volatile ("fsqrt" : "=t" (r) : "0" (x)); return r; } --- gcc/testsuite/g++.old-deja/g++.jason/enum3.C.jj 2014-09-25 15:02:11.000000000 +0200 +++ gcc/testsuite/g++.old-deja/g++.jason/enum3.C 2016-10-01 01:06:40.341051899 +0200 @@ -1,5 +1,5 @@ // { dg-do assemble } -// { dg-options "-Wall" } +// { dg-options "-Wall -Wno-register" } enum tristate { no = -1, maybe, yes }; --- gcc/testsuite/g++.old-deja/g++.eh/ia64-1.C.jj 2014-09-25 15:02:12.000000000 +0200 +++ gcc/testsuite/g++.old-deja/g++.eh/ia64-1.C 2016-10-01 01:06:07.790461291 +0200 @@ -1,5 +1,5 @@ // { dg-do run } -// { dg-options "-O2" } +// { dg-options "-O2 -Wno-register" } #include <exception> Jakub