Bootstrapped/regtested on x86_64-pc-linux-gnu
gcc/ChangeLog:
* lto-streamer.cc (lto_get_section_name): Remove random_seed in WPA.
---
gcc/lto-streamer.cc | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/gcc/lto-streamer.cc b/gcc/lto-streamer.cc
index 4968fd13413..53275e32618 100644
--- a/gcc/lto-streamer.cc
+++ b/gcc/lto-streamer.cc
@@ -132,11 +132,17 @@ lto_get_section_name (int section_type, const char *name,
doesn't confuse the reader with merged sections.
For options don't add a ID, the option reader cannot deal with them
- and merging should be ok here. */
+ and merging should be ok here.
+
+ WPA output is sent to LTRANS directly inside of lto-wrapper, so name
+ uniqueness for external tools is not needed.
+ Randomness would inhibit incremental LTO. */
if (section_type == LTO_section_opts)
strcpy (post, "");
else if (f != NULL)
sprintf (post, "." HOST_WIDE_INT_PRINT_HEX_PURE, f->id);
+ else if (flag_wpa)
+ strcpy (post, ".0");
else
sprintf (post, "." HOST_WIDE_INT_PRINT_HEX_PURE, get_random_seed (false));
char *res = concat (section_name_prefix, sep, add, post, NULL);
--
2.42.1
