https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69070
Bug ID: 69070
Summary: [6 Regression] ICE: tree check: expected real_cst,
have ssa_name in gimple_expand_builtin_pow, at
tree-ssa-math-opts.c:1541 with -fsignaling-nans and
powl()
Product: gcc
Version: 6.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: zsojka at seznam dot cz
Target Milestone: ---
Host: x86_64-pc-linux-gnu
Target: x86_64-pc-linux-gnu
Created attachment 37176
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37176&action=edit
reduced testcase
Compiler output:
$ gcc -O -fsignaling-nans testcase.c
testcase.c: In function 'foo':
testcase.c:2:1: internal compiler error: tree check: expected real_cst, have
ssa_name in gimple_expand_builtin_pow, at tree-ssa-math-opts.c:1541
foo (double d)
^~~
0xe082cc tree_check_failed(tree_node const*, char const*, int, char const*,
...)
/repo/gcc-trunk/gcc/tree.c:9603
0xcff81d tree_check(tree_node*, char const*, int, char const*, tree_code)
/repo/gcc-trunk/gcc/tree.h:2998
0xcff81d gimple_expand_builtin_pow
/repo/gcc-trunk/gcc/tree-ssa-math-opts.c:1541
0xd0024b execute
/repo/gcc-trunk/gcc/tree-ssa-math-opts.c:1823
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
$ gcc -v
Using built-in specs.
COLLECT_GCC=/repo/gcc-trunk/binary-latest/bin/x86_64-pc-linux-gnu-gcc
COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-231954-checking-yes-rtl-df-nographite/bin/../libexec/gcc/x86_64-pc-linux-gnu/6.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /repo/gcc-trunk//configure --enable-languages=c,c++
--enable-checking=yes,rtl,df --without-cloog --without-ppl --without-isl
--disable-libstdcxx-pch
--prefix=/repo/gcc-trunk//binary-trunk-231954-checking-yes-rtl-df-nographite
Thread model: posix
gcc version 6.0.0 20151225 (experimental) (GCC)
