[Bug ipa/64444] New: [5 Regression] ICE: in inline_merge_summary, at ipa-inline-analysis.c:3611

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64444

            Bug ID: 64444
           Summary: [5 Regression] ICE: in inline_merge_summary, at
                    ipa-inline-analysis.c:3611
           Product: gcc
           Version: 5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: ipa
          Assignee: unassigned at gcc dot gnu.org
          Reporter: trippels at gcc dot gnu.org
                CC: hubicka at gcc dot gnu.org

Happens during Firefox LTO build on ppc64:


trippels@gcc2-power8 genrb % < parse.ii
int *k_type_string;
struct
{
  int *nameUChars;
} gResourceTypes{ k_type_string };

trippels@gcc2-power8 genrb % < ucol_tok.ii
typedef struct
{
  int charsOffset;
} UColParsedToken;
typedef struct
{
  UColParsedToken parsedToken;
  int source;
  int *extraCurrent;
  int inRange;
} UColTokenParser;
typedef struct
{
  int *subName;
} ucolTokSuboption;
int *suboption_00;
ucolTokSuboption alternateSub{ suboption_00 };
static int
fn1 (UColTokenParser *p1)
{
  p1->parsedToken.charsOffset = p1->extraCurrent - &p1->source;
}
void
fn2 (UColTokenParser *p1)
{
  if (p1->inRange)
    fn1 (p1);
}

trippels@gcc2-power8 genrb % c++ -r -nostdlib -O2 -flto -std=gnu++0x parse.ii
ucol_tok.ii
lto1: internal compiler error: in inline_merge_summary, at
ipa-inline-analysis.c:3611
0x10490b63 inline_merge_summary(cgraph_edge*)
        ../../gcc/gcc/ipa-inline-analysis.c:3611
0x10d0fa4b inline_call(cgraph_edge*, bool, vec<cgraph_edge*, va_heap, vl_ptr>*,
int*, bool, bool*)
        ../../gcc/gcc/ipa-inline-transform.c:326
0x10d07b1b inline_small_functions
        ../../gcc/gcc/ipa-inline.c:1813
0x10d07b1b ipa_inline
        ../../gcc/gcc/ipa-inline.c:2185
0x10d07b1b execute
        ../../gcc/gcc/ipa-inline.c:2558
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.
lto-wrapper: fatal error: /home/trippels/gcc_test/usr/local/bin/c++ returned 1
exit status
compilation terminated.
/home/trippels/bin/ld: fatal error: lto-wrapper failed
collect2: error: ld returned 1 exit status