Regressions on master at commit r14-9216 vs commit r14-8777 on Linux/x86_64

[H.J. Lu]

Regressions on master at commit r14-9216 vs commit r14-8777 on Linux/x86_64
New failures:
FAIL: btest_lto
FAIL: btest_lto

New passes:
FAIL: gcc.dg/guality/ipa-sra-1.c   -O2  -DPREVENT_OPTIMIZATION  line 27 k == 3
FAIL: gcc.dg/guality/ipa-sra-1.c   -O2  -DPREVENT_OPTIMIZATION  line 27 k == 3
FAIL: gcc.dg/guality/ipa-sra-1.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  -DPREVENT_OPTIMIZATION line 27 k == 3
FAIL: gcc.dg/guality/ipa-sra-1.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  -DPREVENT_OPTIMIZATION line 27 k == 3
FAIL: gcc.dg/guality/ipa-sra-1.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  -DPREVENT_OPTIMIZATION line 27 k == 3
FAIL: gcc.dg/guality/ipa-sra-1.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  -DPREVENT_OPTIMIZATION line 27 k == 3
FAIL: gcc.dg/guality/ipa-sra-1.c   -O3 -g  -DPREVENT_OPTIMIZATION  line 27 k == 3
FAIL: gcc.dg/guality/ipa-sra-1.c   -O3 -g  -DPREVENT_OPTIMIZATION  line 27 k == 3
FAIL: gcc.dg/guality/ipa-sra-1.c   -Os  -DPREVENT_OPTIMIZATION  line 27 k == 3
FAIL: gcc.dg/guality/ipa-sra-1.c   -Os  -DPREVENT_OPTIMIZATION  line 27 k == 3
FAIL: gcc.target/i386/apx-ndd.c scan-assembler-times add(?:b|l|w|q)[^\n\r]*1, \\(%rdi\\), %(?:|r|e)a(?:x|l) 4
FAIL: gcc.target/i386/apx-ndd.c scan-assembler-times add(?:b|l|w|q)[^\n\r]%(?:|r|e)si(?:|l), \\(%rdi\\), %(?:|r|e)a(?:x|l) 4
FAIL: gcc.target/i386/apx-ndd.c scan-assembler-times andb[^\n\r]*1, \\(%rdi\\), %al 1
FAIL: gcc.target/i386/apx-ndd.c scan-assembler-times and(?:l|w|q)[^\n\r]*1, \\(%rdi\\), %(?:|r|e)ax 3
FAIL: gcc.target/i386/apx-ndd.c scan-assembler-times negb[^\n\r]\\(%rdi\\), %(?:|r|e)al 1
FAIL: gcc.target/i386/apx-ndd.c scan-assembler-times neg(?:l|w|q)[^\n\r]\\(%rdi\\), %(?:|r|e)ax 3
FAIL: gcc.target/i386/apx-ndd.c scan-assembler-times not(?:b|l|w|q)[^\n\r]\\(%rdi\\), %(?:|r|e)a(?:x|l) 4
FAIL: gcc.target/i386/apx-ndd.c scan-assembler-times orb[^\n\r]*1, \\(%rdi\\), %al 2
FAIL: gcc.target/i386/apx-ndd.c scan-assembler-times or(?:l|w|q)[^\n\r]*1, \\(%rdi\\), %(?:|r|e)ax 6
FAIL: gcc.target/i386/apx-ndd.c scan-assembler-times sal(?:b|l|w|q)[^\n\r]*1, \\(%rdi\\), %(?:|r|e)a(?:x|l) 4
FAIL: gcc.target/i386/apx-ndd.c scan-assembler-times sar(?:b|l|w|q)[^\n\r]*1, \\(%rdi\\), %(?:|r|e)a(?:x|l) 4
FAIL: gcc.target/i386/apx-ndd.c scan-assembler-times shr(?:b|l|w|q)[^\n\r]*1, \\(%rdi\\), %(?:|r|e)a(?:x|l) 4
FAIL: gcc.target/i386/apx-ndd.c scan-assembler-times sub(?:b|l|w|q)[^\n\r]*1, \\(%rdi\\), %(?:|r|e)a(?:x|l) 4
FAIL: gcc.target/i386/apx-ndd.c scan-assembler-times xorb[^\n\r]*1, \\(%rdi\\), %al 1
FAIL: gcc.target/i386/apx-ndd.c scan-assembler-times xor(?:l|w|q)[^\n\r]*1, \\(%rdi\\), %(?:|r|e)ax 3
FAIL: g++.dg/modules/hello-1_b.C -std=c++17 (internal compiler error: canonical types differ for identical types 'std::tuple_element<__i, std::tuple<_Elements ...> >' and 'std::tuple_element<__i, std::tuple<_Elements ...> >')
FAIL: g++.dg/modules/hello-1_b.C -std=c++17 (internal compiler error: canonical types differ for identical types 'std::tuple_element<__i, std::tuple<_Elements ...> >' and 'std::tuple_element<__i, std::tuple<_Elements ...> >')
FAIL: g++.dg/modules/hello-1_b.C -std=c++17 (internal compiler error: canonical types differ for identical types 'std::tuple_element<__i, std::tuple<_Elements ...> >' and 'std::tuple_element<__i, std::tuple<_Elements ...> >')
FAIL: g++.dg/modules/hello-1_b.C -std=c++17 (test for excess errors)
FAIL: g++.dg/modules/hello-1_b.C -std=c++17 (test for excess errors)
FAIL: g++.dg/modules/hello-1_b.C -std=c++17 (test for excess errors)
FAIL: g++.dg/modules/hello-1_b.C -std=c++2a (internal compiler error: canonical types differ for identical types 'std::tuple_element<__i, std::tuple<_Elements ...> >' and 'std::tuple_element<__i, std::tuple<_Elements ...> >')
FAIL: g++.dg/modules/hello-1_b.C -std=c++2a (internal compiler error: canonical types differ for identical types 'std::tuple_element<__i, std::tuple<_Elements ...> >' and 'std::tuple_element<__i, std::tuple<_Elements ...> >')
FAIL: g++.dg/modules/hello-1_b.C -std=c++2a (internal compiler error: canonical types differ for identical types 'std::tuple_element<__i, std::tuple<_Elements ...> >' and 'std::tuple_element<__i, std::tuple<_Elements ...> >')
FAIL: g++.dg/modules/hello-1_b.C -std=c++2a (test for excess errors)
FAIL: g++.dg/modules/hello-1_b.C -std=c++2a (test for excess errors)
FAIL: g++.dg/modules/hello-1_b.C -std=c++2a (test for excess errors)
FAIL: g++.dg/modules/hello-1_b.C -std=c++2b (internal compiler error: canonical types differ for identical types 'std::tuple_element<__i, std::tuple<_Elements ...> >' and 'std::tuple_element<__i, std::tuple<_Elements ...> >')
FAIL: g++.dg/modules/hello-1_b.C -std=c++2b (internal compiler error: canonical types differ for identical types 'std::tuple_element<__i, std::tuple<_Elements ...> >' and 'std::tuple_element<__i, std::tuple<_Elements ...> >')
FAIL: g++.dg/modules/hello-1_b.C -std=c++2b (internal compiler error: canonical types differ for identical types 'std::tuple_element<__i, std::tuple<_Elements ...> >' and 'std::tuple_element<__i, std::tuple<_Elements ...> >')
FAIL: g++.dg/modules/hello-1_b.C -std=c++2b (test for excess errors)
FAIL: g++.dg/modules/hello-1_b.C -std=c++2b (test for excess errors)
FAIL: g++.dg/modules/hello-1_b.C -std=c++2b (test for excess errors)
FAIL: g++.dg/modules/xtreme-header-2_c.C -std=c++2b (test for excess errors)
FAIL: g++.dg/modules/xtreme-header-4_c.C -std=c++2b (test for excess errors)
FAIL: g++.dg/modules/xtreme-header-5_c.C -std=c++2a (test for excess errors)
FAIL: g++.dg/modules/xtreme-header-5_c.C -std=c++2b (test for excess errors)
FAIL: g++.dg/modules/xtreme-header-6_c.C -std=c++2b (test for excess errors)
FAIL: libgomp.fortran/non-rectangular-loop-1.f90   -O1  execution test
FAIL: libgomp.fortran/non-rectangular-loop-1.f90   -O1  execution test
FAIL: libgomp.fortran/non-rectangular-loop-1.f90   -O1  execution test
FAIL: libgomp.fortran/non-rectangular-loop-6.f90   -O1  execution test
FAIL: libgomp.fortran/non-rectangular-loop-6.f90   -O1  execution test
FAIL: libgomp.fortran/non-rectangular-loop-6.f90   -O1  execution test