Re: [PATCH] c++: Stray RESULT_DECLs in result of constexpr function call [PR94034]

2020-04-14 Thread Patrick Palka via Gcc-patches
On Tue, 14 Apr 2020, Jason Merrill wrote: > On 4/14/20 9:01 AM, Patrick Palka wrote: > > On Tue, 14 Apr 2020, Patrick Palka wrote: > > > > > On Mon, 13 Apr 2020, Jason Merrill wrote: > > > > > > > On 4/13/20 2:49 PM, Patrick Palka wrote: > > > > > On Mon, 13 Apr 2020, Jason Merrill wrote: > > >

Re: [PATCH] c++: Stray RESULT_DECLs in result of constexpr function call [PR94034]

2020-04-14 Thread Jason Merrill via Gcc-patches
On 4/14/20 9:01 AM, Patrick Palka wrote: On Tue, 14 Apr 2020, Patrick Palka wrote: On Mon, 13 Apr 2020, Jason Merrill wrote: On 4/13/20 2:49 PM, Patrick Palka wrote: On Mon, 13 Apr 2020, Jason Merrill wrote: On 4/12/20 9:43 AM, Patrick Palka wrote: On Sat, 11 Apr 2020, Jason Merrill wrote

Re: [PATCH] c++: Stray RESULT_DECLs in result of constexpr function call [PR94034]

2020-04-14 Thread Jason Merrill via Gcc-patches
On 4/14/20 12:29 AM, Patrick Palka wrote: On Mon, 13 Apr 2020, Jason Merrill wrote: On 4/13/20 2:49 PM, Patrick Palka wrote: On Mon, 13 Apr 2020, Jason Merrill wrote: On 4/12/20 9:43 AM, Patrick Palka wrote: On Sat, 11 Apr 2020, Jason Merrill wrote: On 4/10/20 5:47 PM, Patrick Palka wrote

Re: [PATCH] c++: Stray RESULT_DECLs in result of constexpr function call [PR94034]

2020-04-14 Thread Patrick Palka via Gcc-patches
On Tue, 14 Apr 2020, Patrick Palka wrote: > On Mon, 13 Apr 2020, Jason Merrill wrote: > > > On 4/13/20 2:49 PM, Patrick Palka wrote: > > > On Mon, 13 Apr 2020, Jason Merrill wrote: > > > > > > > On 4/12/20 9:43 AM, Patrick Palka wrote: > > > > > On Sat, 11 Apr 2020, Jason Merrill wrote: > > > >

Re: [PATCH] c++: Stray RESULT_DECLs in result of constexpr function call [PR94034]

2020-04-13 Thread Patrick Palka via Gcc-patches
On Mon, 13 Apr 2020, Jason Merrill wrote: > On 4/13/20 2:49 PM, Patrick Palka wrote: > > On Mon, 13 Apr 2020, Jason Merrill wrote: > > > > > On 4/12/20 9:43 AM, Patrick Palka wrote: > > > > On Sat, 11 Apr 2020, Jason Merrill wrote: > > > > > > > > > On 4/10/20 5:47 PM, Patrick Palka wrote: > > >

Re: [PATCH] c++: Stray RESULT_DECLs in result of constexpr function call [PR94034]

2020-04-13 Thread Jason Merrill via Gcc-patches
On 4/13/20 2:49 PM, Patrick Palka wrote: On Mon, 13 Apr 2020, Jason Merrill wrote: On 4/12/20 9:43 AM, Patrick Palka wrote: On Sat, 11 Apr 2020, Jason Merrill wrote: On 4/10/20 5:47 PM, Patrick Palka wrote: On Fri, 10 Apr 2020, Jason Merrill wrote: On 4/10/20 2:15 PM, Patrick Palka wrote:

Re: [PATCH] c++: Stray RESULT_DECLs in result of constexpr function call [PR94034]

2020-04-13 Thread Patrick Palka via Gcc-patches
On Mon, 13 Apr 2020, Jason Merrill wrote: > On 4/12/20 9:43 AM, Patrick Palka wrote: > > On Sat, 11 Apr 2020, Jason Merrill wrote: > > > > > On 4/10/20 5:47 PM, Patrick Palka wrote: > > > > On Fri, 10 Apr 2020, Jason Merrill wrote: > > > > > On 4/10/20 2:15 PM, Patrick Palka wrote: > > > > > > On

Re: [PATCH] c++: Stray RESULT_DECLs in result of constexpr function call [PR94034]

2020-04-13 Thread Jason Merrill via Gcc-patches
On 4/12/20 9:43 AM, Patrick Palka wrote: On Sat, 11 Apr 2020, Jason Merrill wrote: On 4/10/20 5:47 PM, Patrick Palka wrote: On Fri, 10 Apr 2020, Jason Merrill wrote: On 4/10/20 2:15 PM, Patrick Palka wrote: On Fri, 10 Apr 2020, Patrick Palka wrote: On Fri, 10 Apr 2020, Jason Merrill wrote:

Re: [PATCH] c++: Stray RESULT_DECLs in result of constexpr function call [PR94034]

2020-04-12 Thread Patrick Palka via Gcc-patches
On Sat, 11 Apr 2020, Jason Merrill wrote: > On 4/10/20 5:47 PM, Patrick Palka wrote: > > On Fri, 10 Apr 2020, Jason Merrill wrote: > > > On 4/10/20 2:15 PM, Patrick Palka wrote: > > > > On Fri, 10 Apr 2020, Patrick Palka wrote: > > > > > > > > > On Fri, 10 Apr 2020, Jason Merrill wrote: > > > > >

Re: [PATCH] c++: Stray RESULT_DECLs in result of constexpr function call [PR94034]

2020-04-10 Thread Jason Merrill via Gcc-patches
On 4/10/20 5:47 PM, Patrick Palka wrote: On Fri, 10 Apr 2020, Jason Merrill wrote: On 4/10/20 2:15 PM, Patrick Palka wrote: On Fri, 10 Apr 2020, Patrick Palka wrote: On Fri, 10 Apr 2020, Jason Merrill wrote: On 4/10/20 1:04 PM, Patrick Palka wrote: On Thu, 9 Apr 2020, Patrick Palka wrote:

Re: [PATCH] c++: Stray RESULT_DECLs in result of constexpr function call [PR94034]

2020-04-10 Thread Patrick Palka via Gcc-patches
On Fri, 10 Apr 2020, Jason Merrill wrote: > On 4/10/20 2:15 PM, Patrick Palka wrote: > > On Fri, 10 Apr 2020, Patrick Palka wrote: > > > > > On Fri, 10 Apr 2020, Jason Merrill wrote: > > > > > > > On 4/10/20 1:04 PM, Patrick Palka wrote: > > > > > On Thu, 9 Apr 2020, Patrick Palka wrote: > > > >

Re: [PATCH] c++: Stray RESULT_DECLs in result of constexpr function call [PR94034]

2020-04-10 Thread Jason Merrill via Gcc-patches
On 4/10/20 2:15 PM, Patrick Palka wrote: On Fri, 10 Apr 2020, Patrick Palka wrote: On Fri, 10 Apr 2020, Jason Merrill wrote: On 4/10/20 1:04 PM, Patrick Palka wrote: On Thu, 9 Apr 2020, Patrick Palka wrote: On Thu, 9 Apr 2020, Jason Merrill wrote: On 4/8/20 7:49 PM, Patrick Palka wrote:

Re: [PATCH] c++: Stray RESULT_DECLs in result of constexpr function call [PR94034]

2020-04-10 Thread Patrick Palka via Gcc-patches
On Fri, 10 Apr 2020, Patrick Palka wrote: > On Fri, 10 Apr 2020, Jason Merrill wrote: > > > On 4/10/20 1:04 PM, Patrick Palka wrote: > > > On Thu, 9 Apr 2020, Patrick Palka wrote: > > > > On Thu, 9 Apr 2020, Jason Merrill wrote: > > > > > > > > > On 4/8/20 7:49 PM, Patrick Palka wrote: > > > > >

Re: [PATCH] c++: Stray RESULT_DECLs in result of constexpr function call [PR94034]

2020-04-10 Thread Patrick Palka via Gcc-patches
On Fri, 10 Apr 2020, Jason Merrill wrote: > On 4/10/20 1:04 PM, Patrick Palka wrote: > > On Thu, 9 Apr 2020, Patrick Palka wrote: > > > On Thu, 9 Apr 2020, Jason Merrill wrote: > > > > > > > On 4/8/20 7:49 PM, Patrick Palka wrote: > > > > > When evaluating the initializer of 'a' in the following

Re: [PATCH] c++: Stray RESULT_DECLs in result of constexpr function call [PR94034]

2020-04-10 Thread Jason Merrill via Gcc-patches
On 4/10/20 1:04 PM, Patrick Palka wrote: On Thu, 9 Apr 2020, Patrick Palka wrote: On Thu, 9 Apr 2020, Jason Merrill wrote: On 4/8/20 7:49 PM, Patrick Palka wrote: When evaluating the initializer of 'a' in the following example struct A { A *p = this; }; constexpr A foo() { return {};

Re: [PATCH] c++: Stray RESULT_DECLs in result of constexpr function call [PR94034]

2020-04-10 Thread Patrick Palka via Gcc-patches
On Thu, 9 Apr 2020, Patrick Palka wrote: > On Thu, 9 Apr 2020, Jason Merrill wrote: > > > On 4/8/20 7:49 PM, Patrick Palka wrote: > > > When evaluating the initializer of 'a' in the following example > > > > > >struct A { A *p = this; }; > > >constexpr A foo() { return {}; } > > >cons

Re: [PATCH] c++: Stray RESULT_DECLs in result of constexpr function call [PR94034]

2020-04-09 Thread Patrick Palka via Gcc-patches
On Thu, 9 Apr 2020, Jason Merrill wrote: > On 4/8/20 7:49 PM, Patrick Palka wrote: > > When evaluating the initializer of 'a' in the following example > > > >struct A { A *p = this; }; > >constexpr A foo() { return {}; } > >constexpr A a = foo(); > > > > the PLACEHOLDER_EXPR for 'thi

Re: [PATCH] c++: Stray RESULT_DECLs in result of constexpr function call [PR94034]

2020-04-09 Thread Jason Merrill via Gcc-patches
On 4/8/20 7:49 PM, Patrick Palka wrote: When evaluating the initializer of 'a' in the following example struct A { A *p = this; }; constexpr A foo() { return {}; } constexpr A a = foo(); the PLACEHOLDER_EXPR for 'this' in the aggregate initializer returned by foo gets resolved to the R

[PATCH] c++: Stray RESULT_DECLs in result of constexpr function call [PR94034]

2020-04-08 Thread Patrick Palka via Gcc-patches
When evaluating the initializer of 'a' in the following example struct A { A *p = this; }; constexpr A foo() { return {}; } constexpr A a = foo(); the PLACEHOLDER_EXPR for 'this' in the aggregate initializer returned by foo gets resolved to the RESULT_DECL of foo. But due to guaranteed RVO