https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69959
Bug ID: 69959 Summary: [6 Regression] gcc-6 doesn't build gcc-5 anymore Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: trippels at gcc dot gnu.org Target Milestone: --- markus@x4 gcc % g++ -c -DIN_GCC_FRONTEND -g -O2 -DIN_GCC -fno-exceptions -fno-rtti -fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wmissing-format-attribute -Woverloaded-virtual -pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -DHAVE_CONFIG_H -I. -Icp -I../../gcc/gcc -I../../gcc/gcc/cp -I../../gcc/gcc/../include -I../../gcc/gcc/../libcpp/include -I../../gcc/gcc/../libdecnumber -I../../gcc/gcc/../libdecnumber/bid -I../libdecnumber -I../../gcc/gcc/../libbacktrace -o cp/except.o -MT cp/except.o -MMD -MP -MF cp/.deps/except.TPo ../../gcc/gcc/cp/except.c In file included from ./tm.h:27:0, from ../../gcc/gcc/cp/except.c:27: ../../gcc/gcc/config/elfos.h:102:21: warning: invalid suffix on literal; C++11 requires a space between literal and string macro [-Wliteral-suffix] fprintf ((FILE), "%s"HOST_WIDE_INT_PRINT_UNSIGNED"\n",\ ^ ../../gcc/gcc/config/elfos.h:170:24: warning: invalid suffix on literal; C++11 requires a space between literal and string macro [-Wliteral-suffix] fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \ ^ In file included from ./tm.h:48:0, from ../../gcc/gcc/cp/except.c:27: ../../gcc/gcc/defaults.h:126:24: warning: invalid suffix on literal; C++11 requires a space between literal and string macro [-Wliteral-suffix] fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \ ^ In file included from ../../gcc/gcc/cp/except.c:1023:0: cfns.gperf: In function ‘const char* libc_name_p(const char*, unsigned int)’: cfns.gperf:101:1: error: ‘const char* libc_name_p(const char*, unsigned int)’ redeclared inline with ‘gnu_inline’ attribute cfns.gperf:26:14: note: ‘const char* libc_name_p(const char*, unsigned int)’ previously declared here cfns.gperf: At global scope: cfns.gperf:26:14: warning: inline function ‘const char* libc_name_p(const char*, unsigned int)’ used but never defined was fine a few days ago.