[Bug tree-optimization/99029] New: memory leak in IPA pure-const

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99029

            Bug ID: 99029
           Summary: memory leak in IPA pure-const
           Product: gcc
           Version: 11.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: rguenth at gcc dot gnu.org
  Target Milestone: ---

==14211== Memcheck, a memory error detector
==14211== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al.
==14211== Using Valgrind-3.15.0 and LibVEX; rerun with -h for copyright info
==14211== Command: ./cc1 -quiet -fdiagnostics-plain-output -O3 -o
ssa-dom-thread-2.s
/home/rguenther/src/gcc3/gcc/testsuite/gcc.c-torture/compile/20040202-1.c
==14211== 
==14211== 
==14211== HEAP SUMMARY:
==14211==     in use at exit: 1,866,764 bytes in 2,685 blocks
==14211==   total heap usage: 15,548 allocs, 12,863 frees, 5,056,602 bytes
allocated
==14211== 
==14211== 40 bytes in 1 blocks are definitely lost in loss record 30 of 664
==14211==    at 0x4C2E2DF: malloc (in
/usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
==14211==    by 0x28ECCA8: xrealloc (xmalloc.c:177)
==14211==    by 0xD00CF0: void va_heap::reserve<cgraph_node*>(vec<cgraph_node*,
va_heap, vl_embed>*&, unsigned int, bool) (vec.h:290)
==14211==    by 0xD0054B: vec<cgraph_node*, va_heap, vl_ptr>::reserve(unsigned
int, bool) (vec.h:1778)
==14211==    by 0xD00017: vec<cgraph_node*, va_heap,
vl_ptr>::safe_push(cgraph_node* const&) (vec.h:1887)
==14211==    by 0x2635957: propagate_malloc() (ipa-pure-const.c:1945)
==14211==    by 0x2635C47: (anonymous
namespace)::pass_ipa_pure_const::execute(function*) (ipa-pure-const.c:2007)
==14211==    by 0x12E7FEA: execute_one_pass(opt_pass*) (passes.c:2572)
==14211==    by 0x12E8F82: execute_ipa_pass_list(opt_pass*) (passes.c:3001)
==14211==    by 0xCFCB91: ipa_passes() (cgraphunit.c:2215)
==14211==    by 0xCFCE24: symbol_table::compile() (cgraphunit.c:2292)
==14211==    by 0xCFD391: symbol_table::finalize_compilation_unit()
(cgraphunit.