procyberian/gcc
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

re PR c++/55080 (-pedantic produces error: floating-point literal cannot appear in a constant-expression)

Browse source 
/cp
2016-11-17  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/55080
	* parser.c (cp_parser_non_integral_constant_expression): Issue a
	pedwarn instead of an error for case NIC_FLOAT.

/testsuite
2016-11-17  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/55080
	* g++.dg/parse/pr55080.C: New.

From-SVN: r242565
This commit is contained in:
Paolo Carlini 2016-11-17 21:44:05 +00:00 • committed by Paolo Carlini
parent c80620fcfa
commit 80557bb787
4 changed files with 20 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
gcc/cp/ChangeLog
View file

@ -1,3 +1,9 @@
2016-11-17 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/55080
* parser.c (cp_parser_non_integral_constant_expression): Issue a
pedwarn instead of an error for case NIC_FLOAT.
2016-11-17 Jason Merrill <jason@redhat.com>
PR c++/78124 - list-initialization and inherited ctor

5
gcc/cp/parser.c
View file

@ -3028,8 +3028,9 @@ cp_parser_non_integral_constant_expression (cp_parser *parser,
switch (thing)
{
case NIC_FLOAT:
error ("floating-point literal "
"cannot appear in a constant-expression");
pedwarn (input_location, OPT_Wpedantic,
"ISO C++ forbids using a floating-point literal "
"in a constant-expression");
return true;
case NIC_CAST:
error ("a cast to a type other than an integral or "

5
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,8 @@
2016-11-17 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/55080
* g++.dg/parse/pr55080.C: New.
2016-11-17 Michael Meissner <meissner@linux.vnet.ibm.com>
PR target/78101

6
gcc/testsuite/g++.dg/parse/pr55080.C Normal file
View file

@ -0,0 +1,6 @@
// PR c++/55080
// { dg-options "-std=c++98 -pedantic" }
class B {
static const int c = 3.1415926; // { dg-warning "constant-expression" }
};