https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80444
Bug ID: 80444
Summary: -fcompare-debug failures with
-fsanitize-coverage=trace-pc
Product: gcc
Version: 7.0.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: sanitizer
Assignee: unassigned at gcc dot gnu.org
Reporter: trippels at gcc dot gnu.org
CC: dodji at gcc dot gnu.org, dvyukov at gcc dot gnu.org,
jakub at gcc dot gnu.org, kcc at gcc dot gnu.org
Target Milestone: ---
% cat system_keyring.i
void foo() {
int a = 0;
}
% gcc --save-temps -fcompare-debug -O2 -fsanitize-coverage=trace-pc -c
system_keyring.i
gcc: error: system_keyring.i: -fcompare-debug failure
% diff -u system_keyring.gkd system_keyring.gk.gkd
--- system_keyring.gkd 2017-04-17 12:07:15.192708236 +0200
+++ system_keyring.gk.gkd 2017-04-17 12:07:15.216708050 +0200
@@ -9,7 +9,7 @@
(note # 0 0 NOTE_INSN_PROLOGUE_END)
(note # 0 0 NOTE_INSN_FUNCTION_BEG)
(call_insn/j:TI # 0 0 2 (call (mem:QI (symbol_ref:DI
("__sanitizer_cov_trace_pc") [flags 0x41] <function_decl #
__builtin___sanitizer_cov_trace_pc>) [ __builtin___sanitizer_cov_trace_pc S1
A8])
- (const_int 0 [0])) "system_keyring.i":3# {*sibcall}
+ (const_int 0 [0])) "system_keyring.i":2# {*sibcall}
(expr_list:REG_CALL_DECL (symbol_ref:DI ("__sanitizer_cov_trace_pc")
[flags 0x41] <function_decl # __builtin___sanitizer_cov_trace_pc>)
(expr_list:REG_EH_REGION (const_int 0 [0])
(nil)))
