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re PR c++/82040 (ICE with -Wbool-operation and ~)

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PR c++/82040
	* typeck.c (cp_build_unary_op): Avoid re-entering reporting routines.

	* g++.dg/warn/Wbool-operation-1.C: New test.

From-SVN: r251581
This commit is contained in:
Marek Polacek 2017-09-01 09:22:57 +00:00
parent 61fae4b1db
commit 8dc9277a90
4 changed files with 23 additions and 1 deletions
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5
gcc/cp/ChangeLog
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@ -1,3 +1,8 @@
2017-09-01 Marek Polacek <polacek@redhat.com>
PR c++/82040
* typeck.c (cp_build_unary_op): Avoid re-entering reporting routines.
2017-08-30 Jason Merrill <jason@redhat.com>
PR c++/82029 - __PRETTY_FUNCTION__ in lambda in template

1
gcc/cp/typeck.c
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@ -5982,6 +5982,7 @@ cp_build_unary_op (enum tree_code code, tree xarg, bool noconvert,
{
/* Warn if the expression has boolean value. */
if (TREE_CODE (TREE_TYPE (arg)) == BOOLEAN_TYPE
&& (complain & tf_warning)
&& warning_at (location, OPT_Wbool_operation,
"%<~%> on an expression of type bool"))
inform (location, "did you mean to use logical not (%<!%>)?");

7
gcc/testsuite/ChangeLog
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@ -1,7 +1,12 @@
2017-09-01 Marek Polacek <polacek@redhat.com>
PR c++/82040
* g++.dg/warn/Wbool-operation-1.C: New test.
2017-08-31 Claudiu Zissulescu <claziss@synopsys.com>
* gcc.target/arc/sdata-5.c: New test.
* gcc.target/arc/arc700-stld-hazard.c: Update test options.
* gcc.target/arc/arc700-stld-hazard.c: Update test options.
2017-08-31 Claudiu Zissulescu <claziss@synopsys.com>

11
gcc/testsuite/g++.dg/warn/Wbool-operation-1.C Normal file
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@ -0,0 +1,11 @@
// PR c++/82040
// { dg-do compile { target c++11 } }
// { dg-options "-Wbool-operation" }
template <class c>
decltype (~c{})
call ()
{
return ~false; // { dg-warning "on an expression of type bool" }
}
template int call<bool>();