Valgrind of testsuite/jit.dg/test-types.c showed this leak in real.c
when converting the strings in init_ext_80387_constants to real.
160 bytes in 5 blocks are definitely lost in loss record 89 of 144
at 0x4A0645D: malloc (in
/usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
by 0x30AF40C368: __gmp_default_allocate (memory.c:44)
by 0x309842EA20: mpfr_init2 (init2.c:55)
by 0x527C033: real_from_string(real_value*, char const*) (real.c:2045)
by 0x56F0CEF: init_ext_80387_constants() (i386.c:9200)
by 0x56F0E4A: standard_80387_constant_p(rtx_def*) (i386.c:9237)
by 0x5740115: ix86_rtx_costs(rtx_def*, int, int, int, int*, bool)
(i386.c:41735)
by 0x52E4417: rtx_cost(rtx_def*, rtx_code, int, bool) (rtlanal.c:3855)
by 0x4F28E9C: set_src_cost(rtx_def*, bool) (rtl.h:2111)
by 0x4F33AFB: compress_float_constant(rtx_def*, rtx_def*) (expr.c:3667)
by 0x4F3380E: emit_move_insn(rtx_def*, rtx_def*) (expr.c:3590)
by 0x4F3A1B6: store_expr_with_bounds(tree_node*, rtx_def*, int, bool,
tree_node*) (expr.c:5540)
Fix it.
gcc/ChangeLog:
PR jit/63854
* real.c (real_from_string): Add missing mpfr_clear.
---
gcc/real.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/gcc/real.c b/gcc/real.c
index cebbe8d..5e8050d 100644
--- a/gcc/real.c
+++ b/gcc/real.c
@@ -2067,6 +2067,7 @@ real_from_string (REAL_VALUE_TYPE *r, const char *str)
gcc_assert (r->cl = rvc_normal);
/* Set a sticky bit if mpfr_strtofr was inexact. */
r->sig[0] |= inexact;
+ mpfr_clear (m);
}
}
--
1.8.5.3
