https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65559
Bug ID: 65559
Summary: [5 Regression] lto1.exe: internal compiler error: in
read_cgraph_and_symbols, at lto/lto.c:2947
Product: gcc
Version: 5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: lto
Assignee: unassigned at gcc dot gnu.org
Reporter: rai...@emrich-ebersheim.de
Running the testsuite I get ICEs for lto in several places, but the ICE is
always the same:
lto1.exe: internal compiler error: in read_cgraph_and_symbols, at
lto/lto.c:2947
libbacktrace could not find executable to open
Here one example:
Executing on host:
/opt/devel/SCRATCH/tmp.5jnZ8G4weh/gcc-5.0.0/gcc-5.0.0/gcc/xgcc
-B/opt/devel/SCRATCH/tmp.5jnZ8G4weh/gcc-5.0.0/gcc-5.0.0/gcc/
/opt/devel/gnu/src/gcc-mingw-w64/gcc-5.0.0/gcc/testsuite/gcc.c-torture/execute/builtins/fprintf.c
/opt/devel/gnu/src/gcc-mingw-w64/gcc-5.0.0/gcc/testsuite/gcc.c-torture/execute/builtins/fprintf-lib.c
/opt/devel/gnu/src/gcc-mingw-w64/gcc-5.0.0/gcc/testsuite/gcc.c-torture/execute/builtins/lib/main.c
-fno-diagnostics-show-caret -fdiagnostics-color=never -w -O2 -flto
-flto-partition=none -fno-tree-loop-distribute-patterns
-Wl,--allow-multiple-definition -lm -o
/opt/devel/SCRATCH/tmp.5jnZ8G4weh/gcc-5.0.0/gcc-5.0.0/gcc/testsuite/gcc/fprintf.x7
(timeout = 300)
spawn /opt/devel/SCRATCH/tmp.5jnZ8G4weh/gcc-5.0.0/gcc-5.0.0/gcc/xgcc
-B/opt/devel/SCRATCH/tmp.5jnZ8G4weh/gcc-5.0.0/gcc-5.0.0/gcc/
/opt/devel/gnu/src/gcc-mingw-w64/gcc-5.0.0/gcc/testsuite/gcc.c-torture/execute/builtins/fprintf.c
/opt/devel/gnu/src/gcc-mingw-w64/gcc-5.0.0/gcc/testsuite/gcc.c-torture/execute/builtins/fprintf-lib.c
/opt/devel/gnu/src/gcc-mingw-w64/gcc-5.0.0/gcc/testsuite/gcc.c-torture/execute/builtins/lib/main.c
-fno-diagnostics-show-caret -fdiagnostics-color=never -w -O2 -flto
-flto-partition=none -fno-tree-loop-distribute-patterns
-Wl,--allow-multiple-definition -lm -o
/opt/devel/SCRATCH/tmp.5jnZ8G4weh/gcc-5.0.0/gcc-5.0.0/gcc/testsuite/gcc/fprintf.x7
lto1.exe: internal compiler error: in read_cgraph_and_symbols, at
lto/lto.c:2947
libbacktrace could not find executable to open
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
lto-wrapper.exe: fatal error:
D:\opt\devel\SCRATCH\tmp.5jnZ8G4weh\gcc-5.0.0\gcc-5.0.0\gcc\xgcc.exe returned 1
exit status
compilation terminated.
D:\opt\devel\gnu\gcc\MINGW_NT\x86_64-w64-mingw32\mingw-w64-runtime-trunk-svn\gcc-5.0.0\bin\ld.exe:
error: lto-wrapper failed
collect2.exe: error: ld returned 1 exit status
compiler exited with status 1
output is:
lto1.exe: internal compiler error: in read_cgraph_and_symbols, at
lto/lto.c:2947
libbacktrace could not find executable to open
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
lto-wrapper.exe: fatal error:
D:\opt\devel\SCRATCH\tmp.5jnZ8G4weh\gcc-5.0.0\gcc-5.0.0\gcc\xgcc.exe returned 1
exit status
compilation terminated.
D:\opt\devel\gnu\gcc\MINGW_NT\x86_64-w64-mingw32\mingw-w64-runtime-trunk-svn\gcc-5.0.0\bin\ld.exe:
error: lto-wrapper failed
collect2.exe: error: ld returned 1 exit status
FAIL: gcc.c-torture/execute/builtins/fprintf.c compilation, -O2 -flto
-flto-partition=none (internal compiler error)
