[Bug c++/94045] [i686] Compiler hang with -O2 -g -m32 -march=i686 -mtune=generic

ubizjak at gmail dot com gcc-bugzilla@gcc.gnu.org
Thu Mar 5 10:51:00 GMT 2020


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94045

Uroš Bizjak <ubizjak at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2020-03-05
     Ever confirmed|0                           |1

--- Comment #1 from Uroš Bizjak <ubizjak at gmail dot com> ---
Confirmed, after some time the compilation goes into recursive loop in
find_base_term:

#2  0x0000000000b97ac5 in find_base_term (x=0x7fc09cae8af8, visited_vals=...)
at ../../git/gcc/gcc/alias.c:2051
#3  0x0000000000b97c2c in find_base_term (x=0x8b275c0, visited_vals=...) at
../../git/gcc/gcc/alias.c:2000
#4  0x0000000000b97ac5 in find_base_term (x=0x7fc09cae89d8, visited_vals=...)
at ../../git/gcc/gcc/alias.c:2051
#5  0x0000000000b97c2c in find_base_term (x=0x8b27590, visited_vals=...) at
../../git/gcc/gcc/alias.c:2000
#6  0x0000000000b97ac5 in find_base_term (x=0x7fc09cae88b8, visited_vals=...)
at ../../git/gcc/gcc/alias.c:2051
#7  0x0000000000b97c2c in find_base_term (x=0x8b27548, visited_vals=...) at
../../git/gcc/gcc/alias.c:2000
#8  0x0000000000b97ac5 in find_base_term (x=0x7fc09cae8780, visited_vals=...)
at ../../git/gcc/gcc/alias.c:2051
#9  0x0000000000b97c2c in find_base_term (x=0x8b27518, visited_vals=...) at
../../git/gcc/gcc/alias.c:2000
#10 0x0000000000b97ac5 in find_base_term (x=0x7fc09cae85e8, visited_vals=...)
at ../../git/gcc/gcc/alias.c:2051
#11 0x0000000000b97c2c in find_base_term (x=0x8b274e8, visited_vals=...) at
../../git/gcc/gcc/alias.c:2000
#12 0x0000000000b97ac5 in find_base_term (x=0x7fc09cae84b0, visited_vals=...)
at ../../git/gcc/gcc/alias.c:2051
#13 0x0000000000b97c2c in find_base_term (x=0x8b273e0, visited_vals=...) at
../../git/gcc/gcc/alias.c:2000
#14 0x0000000000b97ac5 in find_base_term (x=0x7fc09cb8bde0, visited_vals=...)
at ../../git/gcc/gcc/alias.c:2051
#15 0x0000000000b97c2c in find_base_term (x=0x8b272c0, visited_vals=...) at
../../git/gcc/gcc/alias.c:2000
#16 0x0000000000b97ac5 in find_base_term (x=0x7fc09cb8b780, visited_vals=...)
at ../../git/gcc/gcc/alias.c:2051
#17 0x0000000000b97c2c in find_base_term (x=0x8b27278, visited_vals=...) at
../../git/gcc/gcc/alias.c:2000
#18 0x0000000000b97ac5 in find_base_term (x=0x7fc09cb8b6c0, visited_vals=...)
at ../../git/gcc/gcc/alias.c:2051
#19 0x0000000000b97c2c in find_base_term (x=0x8b27230, visited_vals=...) at
../../git/gcc/gcc/alias.c:2000
#20 0x0000000000b97ac5 in find_base_term (x=0x7fc09cb8b528, visited_vals=...)
at ../../git/gcc/gcc/alias.c:2051
#21 0x0000000000b97c2c in find_base_term (x=0x8b27200, visited_vals=...) at
../../git/gcc/gcc/alias.c:2000
#22 0x0000000000b97ac5 in find_base_term (x=0x7fc09cb8b390, visited_vals=...)
at ../../git/gcc/gcc/alias.c:2051
#23 0x0000000000b97c2c in find_base_term (x=0x8b271d0, visited_vals=...) at
../../git/gcc/gcc/alias.c:2000
#24 0x0000000000b97ac5 in find_base_term (x=0x7fc09cb8b258, visited_vals=...)
at ../../git/gcc/gcc/alias.c:2051
#25 0x0000000000b97c2c in find_base_term (x=0x8b271a0, visited_vals=...) at
../../git/gcc/gcc/alias.c:2000
#26 0x0000000000b97ac5 in find_base_term (x=0x7fc09cb8b120, visited_vals=...)
at ../../git/gcc/gcc/alias.c:2051
#27 0x0000000000b97c2c in find_base_term (x=0x8b27170, visited_vals=...) at
../../git/gcc/gcc/alias.c:2000
#28 0x0000000000b97ac5 in find_base_term (x=0x7fc09bd9cfd8, visited_vals=...)
at ../../git/gcc/gcc/alias.c:2051
#29 0x0000000000b97c2c in find_base_term (x=0x8b27140, visited_vals=...) at
../../git/gcc/gcc/alias.c:2000
#30 0x0000000000b97ac5 in find_base_term (x=0x7fc09bd9cea0, visited_vals=...)
at ../../git/gcc/gcc/alias.c:2051
#31 0x0000000000b97c2c in find_base_term (x=0x8b27110, visited_vals=...) at
../../git/gcc/gcc/alias.c:2000
#32 0x0000000000b97ac5 in find_base_term (x=0x7fc09bd9cdc8, visited_vals=...)
at ../../git/gcc/gcc/alias.c:2051

while trying to compile

void Ui_QgsTextFormatWidgetBase::setupUi(QWidget*).


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