http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49672
Summary: Internal error when passing variadic template args to a lambda function Product: gcc Version: 4.6.1 Status: UNCONFIRMED Severity: minor Priority: P3 Component: c++ AssignedTo: unassig...@gcc.gnu.org ReportedBy: syd...@gmail.com Created attachment 24709 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=24709 The intermediate file that generates the error I realize what I did is dumb and almost certainly not valid, but it told me to submit a bug report, so I am. gcc -v -save-temps --std=c++0x bug.cpp Using built-in specs. COLLECT_GCC=gcc COLLECT_LTO_WRAPPER=/usr/local/libexec/gcc/x86_64-unknown-linux-gnu/4.6.1/lto-wrapper Target: x86_64-unknown-linux-gnu Configured with: ../gcc-4.6.1/configure Thread model: posix gcc version 4.6.1 (GCC) COLLECT_GCC_OPTIONS='-v' '-save-temps' '-std=c++0x' '-mtune=generic' '-march=x86-64' /usr/local/libexec/gcc/x86_64-unknown-linux-gnu/4.6.1/cc1plus -E -quiet -v -D_GNU_SOURCE bug.cpp -mtune=generic -march=x86-64 -std=c++0x -fpch-preprocess -o bug.ii ignoring nonexistent directory "/usr/local/lib/gcc/x86_64-unknown-linux-gnu/4.6.1/../../../../x86_64-unknown-linux-gnu/include" #include "..." search starts here: #include <...> search starts here: /usr/local/lib/gcc/x86_64-unknown-linux-gnu/4.6.1/../../../../include/c++/4.6.1 /usr/local/lib/gcc/x86_64-unknown-linux-gnu/4.6.1/../../../../include/c++/4.6.1/x86_64-unknown-linux-gnu /usr/local/lib/gcc/x86_64-unknown-linux-gnu/4.6.1/../../../../include/c++/4.6.1/backward /usr/local/lib/gcc/x86_64-unknown-linux-gnu/4.6.1/include /usr/local/include /usr/local/lib/gcc/x86_64-unknown-linux-gnu/4.6.1/include-fixed /usr/include End of search list. COLLECT_GCC_OPTIONS='-v' '-save-temps' '-std=c++0x' '-mtune=generic' '-march=x86-64' /usr/local/libexec/gcc/x86_64-unknown-linux-gnu/4.6.1/cc1plus -fpreprocessed bug.ii -quiet -dumpbase bug.cpp -mtune=generic -march=x86-64 -auxbase bug -std=c++0x -version -o bug.s GNU C++ (GCC) version 4.6.1 (x86_64-unknown-linux-gnu) compiled by GNU C version 4.6.1, GMP version 4.3.2, MPFR version 2.4.2, MPC version 0.8.1 GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072 GNU C++ (GCC) version 4.6.1 (x86_64-unknown-linux-gnu) compiled by GNU C version 4.6.1, GMP version 4.3.2, MPFR version 2.4.2, MPC version 0.8.1 GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072 Compiler executable checksum: a73a15445c32b7c162be6fcb15e626bd bug.cpp: In lambda function: bug.cpp:4:6: instantiated from ‘foo(int) [with Args = {}]::<lambda(int)>’ bug.cpp:4:5: instantiated from ‘void foo(int) [with Args = {}]’ bug.cpp:11:10: instantiated from here bug.cpp:5:9: internal compiler error: in tsubst_copy, at cp/pt.c:11305 Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions.