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From: "dcb314 at hotmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c/96597] valgrind error in do_hoist_insertion during O3 build
Date: Thu, 13 Aug 2020 08:25:11 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D96597

--- Comment #2 from David Binderman <dcb314 at hotmail dot com> ---
Created attachment 49055
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D49055&action=3Dedit
gzipped C source code

This attached file is preprocessed from libgcc/libgcov-driver.c.

This line is required to compile it:

/home/dcb/gcc/working/./gcc/xgcc -B/home/dcb/gcc/working/./gcc/
-B/home/dcb/gcc/results.20200812.valgrind/x86_64-pc-linux-gnu/bin/
-B/home/dcb/gcc/results.20200812.valgrind/x86_64-pc-linux-gnu/lib/ -isystem
/home/dcb/gcc/results.20200812.valgrind/x86_64-pc-linux-gnu/include -isystem
/home/dcb/gcc/results.20200812.valgrind/x86_64-pc-linux-gnu/sys-include    =
-g
-O3 -O2  -g -O3 -DIN_GCC    -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-=
qual
-Wno-error=3Dformat-diag -Wstrict-prototypes -Wmissing-prototypes
-Wno-error=3Dformat-diag -Wold-style-definition  -isystem ./include   -fpic
-mlong-double-80 -DUSE_ELF_SYMVER -fcf-protection -mshstk -g -DIN_LIBGCC2
-fbuilding-libgcc -fno-stack-protector   -fpic -mlong-double-80
-DUSE_ELF_SYMVER -fcf-protection -mshstk -I. -I. -I../.././gcc
-I../../../trunk.git/libgcc -I../../../trunk.git/libgcc/.
-I../../../trunk.git/libgcc/../gcc -I../../../trunk.git/libgcc/../include
-I../../../trunk.git/libgcc/config/libbid -DENABLE_DECIMAL_BID_FORMAT
-DHAVE_CC_TLS  -DUSE_TLS -MT _gcov.o -MD -MP -MF _gcov.dep -DL_gcov -c=