https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99054
Bug ID: 99054 Summary: memory leak in thread_prologue_and_epilogue_insns Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: rguenth at gcc dot gnu.org Target Milestone: --- ==3252== Memcheck, a memory error detector ==3252== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al. ==3252== Using Valgrind-3.15.0 and LibVEX; rerun with -h for copyright info ==3252== Command: ./cc1 -quiet -fdiagnostics-plain-output -O3 -o ssa-dom-thread-1.s /home/rguenther/src/gcc3/gcc/testsuite/gcc.dg/torture/pr98289.c ==3252== ==3252== ==3252== HEAP SUMMARY: ==3252== in use at exit: 1,877,561 bytes in 2,761 blocks ==3252== total heap usage: 54,967 allocs, 52,206 frees, 10,428,830 bytes allocated ==3252== ==3252== 40 bytes in 1 blocks are definitely lost in loss record 28 of 699 ==3252== at 0x4C2E2DF: malloc (in /usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so) ==3252== by 0x28ECCA8: xrealloc (xmalloc.c:177) ==3252== by 0xC78E72: void va_heap::reserve<basic_block_def*>(vec<basic_block_def*, va_heap, vl_embed>*&, unsigned int, bool) (vec.h:290) ==3252== by 0xC789CF: vec<basic_block_def*, va_heap, vl_ptr>::reserve(unsigned int, bool) (vec.h:1778) ==3252== by 0xCABA7B: vec<basic_block_def*, va_heap, vl_ptr>::safe_push(basic_block_def* const&) (vec.h:1887) ==3252== by 0xCBF762: find_partition_fixes(bool) (cfgrtl.c:2405) ==3252== by 0xCBF7B2: fixup_partitions() (cfgrtl.c:2434) ==3252== by 0xCBE8A6: commit_edge_insertions() (cfgrtl.c:2112) ==3252== by 0xF14501: thread_prologue_and_epilogue_insns() (function.c:6084) ==3252== by 0xF152E0: rest_of_handle_thread_prologue_and_epilogue() (function.c:6510) ==3252== by 0xF154C0: (anonymous namespace)::pass_thread_prologue_and_epilogue::execute(function*) (function.c:6586) ==3252== by 0x12E7FEA: execute_one_pass(opt_pass*) (passes.c:2572)