8156980: Hotspot build doesn't have -std=gnu++98 gcc option
8157358: Syntax error in TOOLCHAIN_CHECK_COMPILER_VERSION
Summary: Add flags for GCC 6 to JVM_CFLAGS and fix prefix handling
Reviewed-by: erikj, kbarrett
syntax: glob
^.hgtip
build/*
dist/*
/nbproject/private/
private.xml
private.properties
^webrev
.classpath
*.class
*.clazz
*.log
*.orig
*.rej
*~
genfiles.properties
hotspot.log
.DS_Store*
TEST-*.xml
TESTS-*.xml
report.xml
CC/*
jcov2/*
.idea/*
test/lib/*.jar
test/script/external/*
.project
.externalToolBuilders/*
.settings/*
NashornProfile.txt