Hi! As valgrind reports, this testcase allocates the string with new [], but deallocates with delete str.
Fixed thusly, regtested on x86_64-linux and i686-linux, ok for trunk? 2016-09-19 Maxim Ostapenko <m.ostape...@samsung.com> Jakub Jelinek <ja...@redhat.com> PR testsuite/63299 * g++.old-deja/g++.jason/init3.C (My_string::~My_string): Use delete[] instead of delete. --- gcc/testsuite/g++.old-deja/g++.jason/init3.C.jj 2008-09-05 12:54:52.000000000 +0200 +++ gcc/testsuite/g++.old-deja/g++.jason/init3.C 2016-09-19 16:06:01.328022761 +0200 @@ -10,7 +10,7 @@ class My_string { public: My_string(const char* string); My_string(const My_string &); - ~My_string() { delete str; } + ~My_string() { delete [] str; } char* char_p() { return str; } }; Jakub