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

c++: fix error reporting routines re-entered ICE [PR110175]

Browse source 
Here we get the "error reporting routines re-entered" ICE because
of an unguarded use of warning_at.  While at it, I added a check
for a warning_at just above it.

	PR c++/110175

gcc/cp/ChangeLog:

	* typeck.cc (cp_build_unary_op): Check tf_warning before warning.

gcc/testsuite/ChangeLog:

	* g++.dg/cpp0x/decltype-110175.C: New test.
This commit is contained in:
Marek Polacek 2023-06-08 14:07:44 -04:00
parent 8719ab0d01
commit 4de22e2591
2 changed files with 9 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
gcc/cp/typeck.cc
View file

@ -7561,7 +7561,8 @@ cp_build_unary_op (enum tree_code code, tree xarg, bool noconvert,
/* [depr.volatile.type] "Postfix ++ and -- expressions and
prefix ++ and -- expressions of volatile-qualified arithmetic
and pointer types are deprecated." */
if (TREE_THIS_VOLATILE (arg) || CP_TYPE_VOLATILE_P (TREE_TYPE (arg)))
if ((TREE_THIS_VOLATILE (arg) || CP_TYPE_VOLATILE_P (TREE_TYPE (arg)))
&& (complain & tf_warning))
warning_at (location, OPT_Wvolatile,
"%qs expression of %<volatile%>-qualified type is "
"deprecated",
@ -7592,7 +7593,7 @@ cp_build_unary_op (enum tree_code code, tree xarg, bool noconvert,
return error_mark_node;
}
/* Otherwise, [depr.incr.bool] says this is deprecated. */
else
else if (complain & tf_warning)
warning_at (location, OPT_Wdeprecated,
"use of an operand of type %qT "
"in %<operator++%> is deprecated",

6
gcc/testsuite/g++.dg/cpp0x/decltype-110175.C Normal file
View file

@ -0,0 +1,6 @@
// PR c++/110175
// { dg-do compile { target c++11 } }
template<class T> auto f(T t) -> decltype(++t) { return t; } // { dg-warning "reference" "" { target c++14_down } }
void f(...) {}
void g() { f(true); }