https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79340
Bug ID: 79340
Summary: [7 Regression] Memory leaks in tree-vect-slp.c
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
CC: alan.hayward at arm dot com
Target Milestone: ---
Running following test-case in valgrind:
$ valgrind --leak-check=yes --trace-children=yes ./xgcc -B.
/home/marxin/Programming/gcc/gcc/testsuite/gfortran.dg/forall_7.f90 -O3
-fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions -c
==1942== 48 bytes in 1 blocks are definitely lost in loss record 27 of 756
==1942== at 0x4C2B0AF: malloc (in
/usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
==1942== by 0x1B3E11F: xrealloc (xmalloc.c:177)
==1942== by 0x9656C4: void va_heap::reserve<tree_node*>(vec<tree_node*,
va_heap, vl_embed>*&, unsigned int, bool) (vec.h:288)
==1942== by 0xA05157: vec<tree_node*, va_heap, vl_ptr>::reserve(unsigned
int, bool) (vec.h:1445)
==1942== by 0xA05B02: vec<tree_node*, va_heap,
vl_ptr>::reserve_exact(unsigned int) (vec.h:1465)
==1942== by 0xA72D32: vec<tree_node*, va_heap, vl_ptr>::create(unsigned int)
(vec.h:1480)
==1942== by 0x1286BD8: vect_get_slp_defs(vec<tree_node*, va_heap, vl_ptr>,
_slp_tree*, vec<vec<tree_node*, va_heap, vl_ptr>, va_heap, vl_ptr>*, int)
(tree-vect-slp.c:3360)
==1942== by 0x126F998: vectorizable_reduction(gimple*,
gimple_stmt_iterator*, gimple**, _slp_tree*) (tree-vect-loop.c:6176)
==1942== by 0x1259174: vect_transform_stmt(gimple*, gimple_stmt_iterator*,
bool*, _slp_tree*, _slp_instance*) (tree-vect-stmts.c:8700)
==1942== by 0x1287D90: vect_schedule_slp_instance(_slp_tree*,
_slp_instance*, unsigned int) (tree-vect-slp.c:3741)
==1942== by 0x12880E8: vect_schedule_slp(vec_info*) (tree-vect-slp.c:3813)
==1942== by 0x1271E92: vect_transform_loop(_loop_vec_info*)
(tree-vect-loop.c:7004)
Started with r239542.
