On x86, r236356 caused:

Executing on host: /export/gnu/import/git/gcc-regression/master/236356/bld/gcc/xgcc -B/export/gnu/import/git/gcc-regression/master/236356/bld/gcc/ /export/gnu/import/git/gcc-regression/gcc/gcc/testsuite/gcc.dg/tree-ssa/slsr-30.c    -fno-diagnostics-show-caret -fdiagnostics-color=never   -O3 -fdump-tree-dom2 -fwrapv -S -o slsr-30.s    (timeout = 300)
spawn -ignore SIGHUP /export/gnu/import/git/gcc-regression/master/236356/bld/gcc/xgcc -B/export/gnu/import/git/gcc-regression/master/236356/bld/gcc/ /export/gnu/import/git/gcc-regression/gcc/gcc/testsuite/gcc.dg/tree-ssa/slsr-30.c -fno-diagnostics-show-caret -fdiagnostics-color=never -O3 -fdump-tree-dom2 -fwrapv -S -o slsr-30.s
/export/gnu/import/git/gcc-regression/gcc/gcc/testsuite/gcc.dg/tree-ssa/slsr-30.c: In function 'f':
/export/gnu/import/git/gcc-regression/gcc/gcc/testsuite/gcc.dg/tree-ssa/slsr-30.c:8:1: internal compiler error: in rewrite_expr_tree, at tree-ssa-reassoc.c:3898
0x104d229 rewrite_expr_tree
	../../../../gcc/gcc/tree-ssa-reassoc.c:3897
0x104d027 rewrite_expr_tree
	../../../../gcc/gcc/tree-ssa-reassoc.c:3862
0x1050a58 reassociate_bb
	../../../../gcc/gcc/tree-ssa-reassoc.c:5249
0x1050bee reassociate_bb
	../../../../gcc/gcc/tree-ssa-reassoc.c:5278
0x105112c do_reassoc
	../../../../gcc/gcc/tree-ssa-reassoc.c:5392
0x1051441 execute_reassoc
	../../../../gcc/gcc/tree-ssa-reassoc.c:5479
0x1051553 execute
	../../../../gcc/gcc/tree-ssa-reassoc.c:5518
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.
compiler exited with status 1
output is:
/export/gnu/import/git/gcc-regression/gcc/gcc/testsuite/gcc.dg/tree-ssa/slsr-30.c: In function 'f':
/export/gnu/import/git/gcc-regression/gcc/gcc/testsuite/gcc.dg/tree-ssa/slsr-30.c:8:1: internal compiler error: in rewrite_expr_tree, at tree-ssa-reassoc.c:3898
0x104d229 rewrite_expr_tree
	../../../../gcc/gcc/tree-ssa-reassoc.c:3897
0x104d027 rewrite_expr_tree
	../../../../gcc/gcc/tree-ssa-reassoc.c:3862
0x1050a58 reassociate_bb
	../../../../gcc/gcc/tree-ssa-reassoc.c:5249
0x1050bee reassociate_bb
	../../../../gcc/gcc/tree-ssa-reassoc.c:5278
0x105112c do_reassoc
	../../../../gcc/gcc/tree-ssa-reassoc.c:5392
0x1051441 execute_reassoc
	../../../../gcc/gcc/tree-ssa-reassoc.c:5479
0x1051553 execute
	../../../../gcc/gcc/tree-ssa-reassoc.c:5518
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.

FAIL: gcc.dg/tree-ssa/slsr-30.c (internal compiler error)
FAIL: gcc.dg/tree-ssa/slsr-30.c (test for excess errors)