https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86653
Bug ID: 86653
Summary: UBSAN error: cp/parser.c:11760:19: runtime error: load
of value 10, which is not a valid value for type
'bool'
Product: gcc
Version: 9.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
CC: jason at gcc dot gnu.org, nathan at gcc dot gnu.org
Blocks: 63426
Target Milestone: ---
Following causes UBSAN:
dev/shm/mliska/objdir/gcc/testsuite/g++2/../../xg++
-B/dev/shm/mliska/objdir/gcc/testsuite/g++2/../../
/home/mliska/Programming/gcc/gcc/testsuite/g++.dg/parse/cond8.C
-fno-diagnostics-show-caret -fdiagnostics-color=never -nostdinc++
-I/dev/shm/mliska/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu
-I/dev/shm/mliska/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include
-I/home/mliska/Programming/gcc/libstdc++-v3/libsupc++
-I/home/mliska/Programming/gcc/libstdc++-v3/include/backward
-I/home/mliska/Programming/gcc/libstdc++-v3/testsuite/util -fmessage-length=0
-std=c++11 -pedantic-errors -Wno-long-long -S -o cond8.s
/home/mliska/Programming/gcc/gcc/testsuite/g++.dg/parse/cond8.C: In function
‘void foo()’:
/home/mliska/Programming/gcc/gcc/testsuite/g++.dg/parse/cond8.C:5:12: error:
expected initializer before ‘)’ token
/home/mliska/Programming/gcc/gcc/cp/parser.c:11760:19: runtime error: load of
value 10, which is not a valid value for type 'bool'
/home/mliska/Programming/gcc/gcc/testsuite/g++.dg/parse/cond8.C:7:14: error:
expected initializer before ‘;’ token
/home/mliska/Programming/gcc/gcc/testsuite/g++.dg/parse/cond8.C:9:15: error:
expected initializer before ‘)’ token
Proper fix is to initialiaze
bool non_constant_p;
Will be setting that to false OK?
Referenced Bugs:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63426
[Bug 63426] [meta-bug] Issues found with -fsanitize=undefined
