diff options
| author | ppalka <ppalka@138bc75d-0d04-0410-961f-82ee72b054a4> | 2016-03-22 00:30:57 +0000 |
|---|---|---|
| committer | ppalka <ppalka@138bc75d-0d04-0410-961f-82ee72b054a4> | 2016-03-22 00:30:57 +0000 |
| commit | c8e3e744939ed08d70ca7a21f5601a55a7654103 (patch) | |
| tree | af672fb47ac92ddcd639ed7b300f915292b19432 | |
| parent | 8912988c86a2c5421d2ceec3ad8f012f6a5bd9be (diff) | |
| download | gcc-c8e3e744939ed08d70ca7a21f5601a55a7654103.tar.gz | |
Fix PR c++/70204 (ICE in non_const_var_error)
gcc/cp/ChangeLog:
PR c++/70204
* constexpr.c (non_const_var_error): Check
DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.
gcc/testsuite/ChangeLog:
PR c++/70204
* g++.dg/cpp0x/constexpr-70204a.C: New test.
* g++.dg/cpp0x/constexpr-70204b.C: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@234390 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/cp/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/cp/constexpr.c | 3 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/cpp0x/constexpr-70204a.C | 18 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/cpp0x/constexpr-70204b.C | 10 |
5 files changed, 42 insertions, 1 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog index c8919f9437e..578fc6fba35 100644 --- a/gcc/cp/ChangeLog +++ b/gcc/cp/ChangeLog @@ -1,3 +1,9 @@ +2016-03-22 Patrick Palka <ppalka@gcc.gnu.org> + + PR c++/70204 + * constexpr.c (non_const_var_error): Check + DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P. + 2016-03-21 Richard Henderson <rth@redhat.com> PR c++/70273 diff --git a/gcc/cp/constexpr.c b/gcc/cp/constexpr.c index 1f496b5f9bd..7b136330b3f 100644 --- a/gcc/cp/constexpr.c +++ b/gcc/cp/constexpr.c @@ -2763,7 +2763,8 @@ non_const_var_error (tree r) inform (DECL_SOURCE_LOCATION (r), "%q#D is volatile", r); else if (!DECL_INITIAL (r) - || !TREE_CONSTANT (DECL_INITIAL (r))) + || !TREE_CONSTANT (DECL_INITIAL (r)) + || !DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P (r)) inform (DECL_SOURCE_LOCATION (r), "%qD was not initialized with a constant " "expression", r); diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index e05b897a9b8..69c97a7fa36 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,9 @@ +2016-03-22 Patrick Palka <ppalka@gcc.gnu.org> + + PR c++/70204 + * g++.dg/cpp0x/constexpr-70204a.C: New test. + * g++.dg/cpp0x/constexpr-70204b.C: New test. + 2016-03-21 Jakub Jelinek <jakub@redhat.com> PR middle-end/70326 diff --git a/gcc/testsuite/g++.dg/cpp0x/constexpr-70204a.C b/gcc/testsuite/g++.dg/cpp0x/constexpr-70204a.C new file mode 100644 index 00000000000..5ac551927e1 --- /dev/null +++ b/gcc/testsuite/g++.dg/cpp0x/constexpr-70204a.C @@ -0,0 +1,18 @@ +// PR c++/70204 +// { dg-do compile { target c++11 } } + +int a; + +template < int N, int I > +void fn1 () +{ + const int x = I * a, y = x; + fn1 < y, I > (); // { dg-error "constant|no match" } +} + +int +main () +{ + fn1 < 0, 0 > (); + return 0; +} diff --git a/gcc/testsuite/g++.dg/cpp0x/constexpr-70204b.C b/gcc/testsuite/g++.dg/cpp0x/constexpr-70204b.C new file mode 100644 index 00000000000..2b07d4fec9e --- /dev/null +++ b/gcc/testsuite/g++.dg/cpp0x/constexpr-70204b.C @@ -0,0 +1,10 @@ +// PR c++/70204 +// { dg-do compile { target c++11 } } + +int a; + +void fn1 () +{ + const int x = 0 * a; + constexpr int y = x; // { dg-error "constant" } +} |