http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46498
Summary: [4.5/4.6 Regression] ICE: in
eliminate_unnecessary_stmts, at tree-ssa-dce.c:1112
with -O -funsafe-math-optimizations
-fno-tree-dominator-opts -fno-tree-reassoc
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
AssignedTo: [email protected]
ReportedBy: [email protected]
Host: x86_64-pc-linux-gnu
Target: x86_64-pc-linux-gnu
----- testcase.c -----
void foo (double d) {}
----------------------
Compiler output:
$ gcc -O -funsafe-math-optimizations -fno-tree-dominator-opts -fno-tree-reassoc
testcase.c
testcase.c: In function 'foo':
testcase.c:1:6: internal compiler error: in eliminate_unnecessary_stmts, at
tree-ssa-dce.c:1181
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
Tested revisions:
r166795 - crash
r153685 - crash
4.5 r166509 - crash
4.4 r166509 - OK