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| author | Ian Lance Taylor <iant@golang.org> | 2020-08-03 18:23:39 -0700 |
|---|---|---|
| committer | Ian Lance Taylor <iant@golang.org> | 2020-08-04 10:21:37 -0700 |
| commit | acf83db025cfd4a67724838e9dbd19813f4f5960 (patch) | |
| tree | 12cde63bf9a622dfefb2888799f6c411a960f8ae /libgcc | |
| parent | 1790d13dc8ffb3b454f2ca5e4a6d6d482f7fa985 (diff) | |
| download | gcc-acf83db025cfd4a67724838e9dbd19813f4f5960.zip gcc-acf83db025cfd4a67724838e9dbd19813f4f5960.tar.gz gcc-acf83db025cfd4a67724838e9dbd19813f4f5960.tar.bz2 | |
compiler: delete lowered constant strings
If we lower a constant string operation in a Binary_expression,
delete the strings. This is safe because constant strings are always
newly allocated.
This is a hack to use much less memory when compiling the new
time/tzdata package, which has a file that contains the sum of over
13,000 constant strings. We don't do this for numeric expressions
because that could cause us to delete an Iota_expression.
We should have a cleaner approach to memory usage some day.
Fixes PR go/96450
Diffstat (limited to 'libgcc')
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