On Tue, Oct 10, 2017 at 10:21:22PM +0200, Jakub Jelinek wrote: > While going through still open [5 Regression] bugs manually, I've gathered > various testcases from PRs that were fixed by other changes and thus > IMHO the tests are worth being added. I have some further PRs to go through > tomorrow, so I might add some further ones. > > Regtested on x86_64-linux and i686-linux, committed to trunk.
So, here is the remainder from 5 branch closing, regtested on x86_64-linux and i686-linux, committed to trunk: 2017-10-11 Jakub Jelinek <ja...@redhat.com> PR c++/80194 * g++.dg/cpp1y/pr80194.C: New test. PR c++/78523 * g++.dg/cpp1y/pr78523.C: New test. PR c++/82414 * g++.dg/lto/pr82414_0.C: New test. PR tree-optimization/78558 * gcc.dg/vect/pr78558.c: New test. PR middle-end/80421 * gcc.c-torture/execute/pr80421.c: New test. --- gcc/testsuite/g++.dg/cpp1y/pr80194.C.jj 2017-10-11 11:24:28.294661793 +0200 +++ gcc/testsuite/g++.dg/cpp1y/pr80194.C 2017-10-11 11:24:21.039750326 +0200 @@ -0,0 +1,17 @@ +// PR c++/80194 +// { dg-do compile { target c++14 } } + +int fn1 (); + +template <class Fn> +void +fn2 (Fn &&fn) +{ + fn (42); +} + +void fn2 () +{ + auto const x = fn1 (); + fn2 ([&](auto) { x; }); +} --- gcc/testsuite/g++.dg/cpp1y/pr78523.C.jj 2017-10-11 10:51:51.608551082 +0200 +++ gcc/testsuite/g++.dg/cpp1y/pr78523.C 2017-10-11 10:51:43.175654055 +0200 @@ -0,0 +1,12 @@ +// PR c++/78523 +// { dg-do compile { target c++14 } } + +int bar (); + +void +foo () +{ + const int t = bar (); + auto f = [=] (auto x) { return t; }; + f (0); +} --- gcc/testsuite/g++.dg/lto/pr82414_0.C.jj 2017-10-11 11:56:56.000000000 +0200 +++ gcc/testsuite/g++.dg/lto/pr82414_0.C 2017-10-11 11:59:16.000000000 +0200 @@ -0,0 +1,13 @@ +// PR c++/82414 +// { dg-lto-do link } +// { dg-lto-options { { -flto -g } } } + +typedef __attribute__ ((__aligned__ (16))) struct S { __extension__ unsigned long long Part[2]; } T; // bogus warning "violates one definition rule" + +int +main () +{ + T tf; + asm volatile ("" : : "g" (__alignof__(tf)), "g" (__alignof__ (struct S)), "g" (__alignof__ (T))); + return 0; +} --- gcc/testsuite/gcc.dg/vect/pr78558.c.jj 2017-10-11 11:04:59.940924884 +0200 +++ gcc/testsuite/gcc.dg/vect/pr78558.c 2017-10-11 11:06:20.584940340 +0200 @@ -0,0 +1,44 @@ +/* PR tree-optimization/78558 */ + +#include "tree-vect.h" + +struct S +{ + char p[48]; + unsigned long long q, r, s; +} s[50]; + +struct D +{ + unsigned long long q, r; +} d[50]; + +void +foo (void) +{ + unsigned long i; + for (i = 0; i < 50; ++i) + { + d[i].q = s[i].q; + d[i].r = s[i].r; + } +} + +int +main () +{ + check_vect (); + unsigned long i; + for (i = 0; i < 50; ++i) + { + s[i].q = i; + s[i].r = 50 * i; + } + asm volatile ("" : : "g" (s), "g" (d) : "memory"); + foo (); + asm volatile ("" : : "g" (s), "g" (d) : "memory"); + for (i = 0; i < 50; ++i) + if (d[i].q != i || d[i].r != 50 * i) + abort (); + return 0; +} --- gcc/testsuite/gcc.c-torture/execute/pr80421.c.jj 2017-10-11 11:36:45.070670843 +0200 +++ gcc/testsuite/gcc.c-torture/execute/pr80421.c 2017-10-11 11:41:29.670198693 +0200 @@ -0,0 +1,121 @@ +/* PR middle-end/80421 */ + +__attribute__ ((noinline, noclone)) void +baz (const char *t, ...) +{ + asm volatile (""::"r" (t):"memory"); + if (*t == 'T') + __builtin_abort (); +} + +unsigned int +foo (char x) +{ + baz ("x %c\n", x); + switch (x) + { + default: + baz ("case default\n"); + if (x == 'D' || x == 'I') + baz ("This should never be reached.\n"); + return 0; + case 'D': + baz ("case 'D'\n"); + return 0; + case 'I': + baz ("case 'I'\n"); + return 0; + } +} + +void +bar (void) +{ + int a = 2; + int b = 5; + char c[] = { + 2, 4, 1, 2, 5, 5, 2, 4, 4, 0, 0, 0, 0, 0, 0, 3, 4, 4, 2, 4, + 1, 2, 5, 5, 2, 4, 1, 0, 0, 0, 2, 4, 4, 3, 4, 3, 3, 5, 1, 3, + 5, 5, 2, 4, 4, 2, 4, 1, 3, 5, 3, 3, 5, 1, 3, 5, 1, 2, 4, 4, + 2, 4, 2, 3, 5, 1, 3, 5, 1, 3, 5, 5, 2, 4, 1, 2, 4, 2, 3, 5, + 3, 3, 5, 1, 3, 5, 5, 2, 4, 1, 2, 4, 1, 3, 5, 3, 3, 5, 1, 3, + 5, 5, 2, 4, 4, 2, 4, 1, 3, 5, 3, 3, 5, 1, 3, 5, 1, 2, 4, 1, + 2, 4, 2, 3, 5, 1, 3, 5, 1, 3, 5, 1, 2, 4, 1, 2, 4, 1, 3, 5, + 1, 3, 5, 1, 3, 5, 1, 2, 4, 4, 2, 4, 1, 3, 5, 1, 3, 5, 1, 3, + 5, 5, 2, 4, 4, 2, 4, 2, 3, 5, 3, 3, 5, 1, 3, 5, 5, 2, 4, 4, + 2, 4, 1, 3, 5, 3, 3, 5, 1, 3, 5, 1, 2, 5, 5, 2, 4, 2, 3, 5, + 1, 3, 4, 1, 3, 5, 1, 2, 5, 5, 2, 4, 1, 2, 5, 1, 3, 5, 3, 3, + 5, 1, 2, 5, 5, 2, 4, 2, 2, 5, 1, 3, 5, 3, 3, 5, 1, 2, 5, 1, + 2, 4, 1, 2, 5, 2, 3, 5, 1, 3, 5, 1, 2, 5, 1, 2, 4, 2, 2, 5, + 1, 3, 5, 1, 3, 5, 1, 2, 5, 5, 2, 4, 2, 2, 5, 2, 3, 5, 3, 3, + 5, 1, 2, 5, 5, 2, 4, 2, 2, 5, 2, 3, 5, 3, 3, 5, 1, 2, 5, 5, + 2, 4, 2, 2, 5, 1, 3, 5, 3, 3, 5, 1, 2, 5, 5, 2, 4, 2, 2, 5, + 1, 3, 5, 3, 3, 5, 1, 2, 5, 1, 2, 4, 1, 2, 5, 2, 3, 5, 1, 3, + 5, 1, 2, 5, 5, 2, 4, 2, 2, 5, 2, 3, 5, 3, 3, 5, 1, 2, 5, 5, + 2, 4, 1, 2, 5, 1, 3, 5, 3, 3, 5, 1, 2, 5, 5, 2, 4, 2, 2, 5, + 1, 3, 5, 3, 3, 5, 1, 2, 5, 5, 2, 4, 2, 2, 5, 1, 3, 5, 3, 3, + 5, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 + }; + char *f = c + 390; + int i, j, e, g, h; + char k, l; + i = 26; + j = 25; + k = l = 'M'; + h = 2; + while (i > 0) + { + int x = i - a; + x = x > 0 ? x : 0; + x = j - x; + g = x * 3 + h; + switch (f[g]) + { + case 1: + --i; + --j; + h = 2; + f -= b * 3; + k = 'M'; + break; + case 2: + --i; + h = 0; + f -= b * 3; + k = 'I'; + break; + case 3: + --i; + h = 2; + f -= b * 3; + k = 'I'; + break; + case 4: + --j; + h = 1; + k = 'D'; + break; + case 5: + --j; + h = 2; + k = 'D'; + break; + } + if (k == l) + ++e; + else + { + foo (l); + l = k; + } + } +} + +int +main () +{ + char l = 'D'; + foo (l); + bar (); + return 0; +} Jakub