[Bug c++/50158] New: [4.7 Regression] invalid 'variable set but not used' warning (boolean used as index to an array)
zsojka at seznam dot cz
gcc-bugzilla@gcc.gnu.org
Mon Aug 22 19:22:00 GMT 2011
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50158
Bug #: 50158
Summary: [4.7 Regression] invalid 'variable set but not used'
warning (boolean used as index to an array)
Classification: Unclassified
Product: gcc
Version: 4.7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: zsojka@seznam.cz
Host: x86_64-pc-linux-gnu
Target: x86_64-pc-linux-gnu
Created attachment 25080
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=25080
reduced testcase
Compiler output:
$ gcc -Wunused-but-set-variable testcase.cpp -c
testcase.cpp: In function 'int foo(int)':
testcase.cpp:5:7: warning: variable 'array' set but not used
[-Wunused-but-set-variable]
The warning is give only when compiles as C++.
Tested revisions:
r177949 - fail
r173150 - OK
4.6.1 - OK
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